Crocheting Sullivan Monster Costume Amigurumi Doll

Sullivan Monster Costume

Amigurumi Sullivan Monster Costume have captured the hearts of crafters worldwide, and themed character costumes make these adorable creations even more special. In this comprehensive tutorial, we’ll guide you through creating an adorable Sullivan monster costume amigurumi doll—perfect for fans of a certain beloved animated monster movie. This detailed pattern will help you craft a charming doll wearing a turquoise monster suit complete with horns, spots, and even a tiny monster friend.

Introduction to the Sullivan Costume Pattern

This Sullivan Monster Costume pattern allows you to create a delightful doll wearing a monster costume that resembles the friendly blue character from a popular animated film. The pattern includes both the child doll and the complete monster costume, making it a perfect project for intermediate to advanced crocheters who enjoy creating detailed character pieces.

Sullivan Monster Costume Materials Needed

Yarn Colors

  • Turquoise – Yarnart Jeans 81 (main color for the costume)
  • Light Brown – Yarnart Baby Cotton (50g/165m) for claws
  • White – Alpina Lena 01 (50g/280m) for eyes
  • Flesh/Beige – Alpina Lena 05 (50g/280m) for horns
  • Emerald – Alpina Lena 57 (50g/280m) for eyebrows, nose, and spikes
  • Caramel – Alize Cotton Gold 499 (100g/330m) for the small monster toy
  • Ice Blue – Alize Cotton Gold 514 (100g/330m) for the costume accents

Sullivan Monster Costume Tools Required

  • Crochet hooks: 1.00mm, 1.75mm, and 2.25mm
  • Tapestry needle
  • Scissors
  • Acrylic markers in white, blue, black, purple (for spots), and brown (for mouth)
  • 0.7mm sew-on safety eyes
  • Stuffing material
  • Stitch markers

Sullivan Monster Costume Crochet Abbreviations Used

  • CH – Chain stitch
  • MR – Magic ring
  • SC – Single crochet stitch
  • SLST – Slip stitch
  • DC – Double crochet stitch
  • HDC – Half double crochet stitch
  • DTR – Treble crochet
  • INC – Increase (crochet 2 sc in one stitch)
  • DEC – Decrease (crochet 2 sc together through front loops)
  • BLO – Back loops only
  • FLO – Front loops only
  • Bubble – 3 hdc cluster
  • TR – Treble crochet
  • HTR – Half treble crochet

Creating the Monster Hood

The hood is the centerpiece of our costume, featuring the iconic monster face with eyes, nose, and horns. Let’s start crocheting with turquoise yarn and a 2.25mm hook:

Hood Base

  1. Round 1: Create a magic ring with 6 sc (6)
  2. Round 2: 6 inc (12)
  3. Round 3: 2 sc, 3 inc, 3 sc, 3 inc, 1 sc (18)
  4. Round 4: 2 sc, (1 sc, inc) × 3, 3 sc, (1 sc, inc) × 3, 1 sc (24)
  5. Round 5: 2 sc, (2 sc, inc) × 3, 3 sc, (2 sc, inc) × 3, 1 sc (30)
  6. Round 6: 2 sc, (3 sc, inc) × 3, 3 sc, (3 sc, inc) × 3, 1 sc (36)
  7. Round 7: 2 sc, (4 sc, inc) × 3, 3 sc, (4 sc, inc) × 3, 1 sc (42)
  8. Round 8: 2 sc, (5 sc, inc) × 3, 3 sc, (5 sc, inc) × 3, 1 sc (48)
  9. Round 9: 2 sc, (6 sc, inc) × 3, 3 sc, (6 sc, inc) × 3, 1 sc (54)
  10. Rounds 10-11: 54 sc (for 2 rounds)
  11. Round 12: 2 sc, (7 sc, inc) × 3, 3 sc, (7 sc, inc) × 3, 1 sc (60)
  12. Round 13: 2 sc, (8 sc, inc) × 3, 3 sc, (8 sc, inc) × 3, 1 sc (66)
  13. Round 14: 66 sc
  14. Round 15: (10 sc, inc) × 6 (72)
  15. Round 16: (8 sc, inc) × 8 (80)
  16. Rounds 17-18: 80 sc (for 2 rounds)

Cut the yarn and secure the end.

Sullivan Monster Costume Hood Front Section

For the front section of the hood, we’ll need to leave 20 loops in front and work with turning rows:

  1. Start from the 49th loop of the hood, holding it with the crown facing you.
  2. Row 1: dec, 56 sc, dec (58), ch, turn
  3. Row 2: dec, 54 sc, dec (56), ch, turn
  4. Row 3: dec, 52 sc, dec (54), ch, turn
  5. Row 4: dec, 50 sc, dec (52), ch, turn
  6. Row 5: dec, 48 sc, dec (50), ch, turn
  7. Rows 6-10: 50 sc (for 5 rows)
  8. Row 11: dec, the previous piece sc, dec (48), ch, turn
  9. Rows 12-14: 48 sc (for 3 rows)
  10. Row 15: dec, 44 sc, dec (46), ch, turn
  11. Row 16: dec, 12 sc, (1 sc, dec) × 6, 12 sc, dec (38), ch, turn
  12. Row 17: dec, 11 sc, (1 sc, dec) × 4, 11 sc, dec (32), ch, turn
  13. Row 18: 32 sc

Next, cast on 11 chains. From the second loop from the hook, work 10 sc, then crochet 32 sc along the front side. Cast on 7 more chains, and from the second loop, work 6 sc.

Finally, work along three sides (2 side and top side) of the front:

  • Left side: 17 sc, inc in the corner
  • Top of hood: 20 sc
  • Right side: inc in the corner, 17 sc

Cut the yarn and secure the end.

Sullivan Monster Costume Creating the Horns

The horns are a distinctive feature of our monster costume. Make two identical horns using a 1.00mm hook and flesh-colored yarn:

  1. Round 1: Create a magic ring with 6 sc (6)
  2. For all following rounds, work in back loops only (BLO)
  3. Round 2: 6 sc
  4. Round 3: 2 sc, 2 inc, 2 sc (8)
  5. Round 4: 2 sc, (1 sc, inc) × 2, 2 sc (10)
  6. Round 5: 2 sc, (1 sc, inc) × 4, 2 sc (14)
  7. Round 6: 2 sc, (2 sc, inc) × 4, 2 sc (18)
  8. Rounds 7-8: 18 sc (for 2 rounds)
  9. Round 9: 2 sc, (3 sc, inc) × 4, 2 sc (22)
  10. Round 10: 22 sc
  11. Round 11: 9 sc, 4 inc, 9 sc (26)

Leave a long tail thread for attaching the horns to the hood.

Sullivan Monster Costume Crafting the Eyes and Eyebrows

Eyes (2 pieces)

Using a 1.00mm hook and white yarn:

  1. Round 1: Create a magic ring with 6 sc (6)
  2. Round 2: 6 inc (12)
  3. Round 3: 2 sc, 2 inc, 4 sc, 2 inc, 2 sc (16)
  4. Round 4: 3 sc, 2 inc, 6 sc, 2 inc, 3 sc (20)

Leave a long tail for attaching. After attachment, use acrylic markers to add blue, black, and white highlights to create the eye detail.

Left Eyebrow

Using a 1.00mm hook and emerald yarn:

  1. Chain 8, from the second chain from hook: 1 slip stitch, 2 sc, 2 hdc, 2 dc
  2. Leave a long tail for attaching.

Right Eyebrow

Using a 1.00mm hook and emerald yarn:

  1. Chain 6, from the second chain from hook: 1 slip stitch, 1 sc, 2 hdc, 1 dc
  2. Leave a long tail for attaching.

Sullivan Monster Costume Making the Nose

The monster’s nose is a distinctive feature. Use a 1.00mm hook and emerald yarn:

  1. Round 1: Chain 10, from second chain: 8 sc, inc, on the other side of the chain: 7 sc, inc (19)
  2. Round 2: inc, sc, inc, 2 sc, inc, sc, inc, 1 sc (23)
  3. Round 3: 1 sc, inc, 6 sc, inc, 4 sc, inc, 6 sc, inc, 2 sc (27)
  4. Round 4: 27 sc

Turn inside out and sew the back loops only. Stuff lightly and leave a long tail for attaching.

Creating Claws for the Costume

Big Claws (6 pieces)

Using a 1.75mm hook and light brown yarn:

  1. Chain 4, from the second chain from hook: 3 sc
  2. Leave a long tail for attaching to the legs between rows 6-7, with 2 sc distance between claws.

Small Claws (8 pieces)

Using a 1.75mm hook and light brown yarn:

  1. Chain 3, from the second chain from hook: 2 sc
  2. Leave a long tail for attaching to the arms between rows 2-3, with 1 sc distance between claws.

Sullivan Monster Costume Crafting the Costume Sleeves

Make two identical sleeves using a 2.25mm hook and turquoise yarn:

  1. Round 1: Chain 6, from the second chain: 4 sc, 3 sc in the last chain, on the other side of the chain: 3 sc, inc (12)
  2. Round 2: inc, 3 sc, inc, 1 sc, inc, 3 sc, inc, 1 sc (16)
  3. Rounds 3-14: 16 sc (for 12 rounds)
  4. Round 15: (3 sc, inc) × 4 (20)
  5. Rounds 16-20: 20 sc (for 5 rounds)

Cut the yarn and secure the end.

Fingers (2 pieces)

Using a 2.25mm hook and turquoise yarn:

  1. Round 1: Create a magic ring with 6 sc (6)
  2. Rounds 2-3: 6 sc (for 2 rounds)

Leave a long tail for attaching to the sleeves.

Sullivan Monster Costume Creating the Costume Legs

Left Leg

Using a 2.25mm hook and turquoise yarn:

  1. Round 1: Chain 8, from the second chain: 6 sc, 3 sc in the last chain, on the other side of the chain: 5 sc, inc (16)
  2. Round 2: inc, 5 sc, inc, 1 sc, inc, 5 sc, inc, 1 sc (20)
  3. Round 3: 1 sc, inc, 5 sc, inc, 3 sc, inc, 5 sc, inc, 2 sc (24)
  4. Round 4: 2 sc, inc, 5 sc, inc, 5 sc, inc, 5 sc, inc, 3 sc (28)
  5. Round 5: 3 sc, inc, 5 sc, inc, 7 sc, inc, 5 sc, inc, 4 sc (32)
  6. Rounds 6-7: 32 sc (for 2 rounds)
  7. Round 8: 10 sc, 12 hdc, 10 sc (32)
  8. Round 9: 12 sc, 4 dec, 12 sc (28)
  9. Round 10: 10 sc, 4 dec, 10 sc (24)
  10. Rounds 11-14: 24 sc (for 4 rounds)
  11. Round 15: (5 sc, dec) × 4 (28)
  12. Round 16: 28 sc
  13. Round 17: 11 sc, BLO 6 sc, For both loops 11 sc (28)
  14. Round 18: 28 sc

Next, create a fold: 15. Round 19: 11 sc, insert the hook into BLO of round 16 and For both loops of round 18 (as shown in the photo) crochet 6 sc, then crochet only For both loops of round 18, 11 sc (28) 16. Round 20: 28 sc

Cut the yarn and secure the end.

Right Leg

Follow the same pattern as the left leg until Round 11, then:

  1. Round 12: 5 sc, BLO 6 sc, For both loops 13 sc (28)
  2. Round 13: 24 sc

Create a fold: 3. Round 14: 5 sc, insert the hook into BLO of round 12 and For both loops of round 13 (as shown in the photo) crochet 6 sc, then crochet only For both loops of round 13, 13 sc (24) 4. Round 15: 24 sc 5. Round 16: (5 sc, dec) × 4 (28) 6. Rounds 17-20: 28 sc (for 4 rounds)

Crochet 6 sc in the space between the legs (we’ll call these “shift loops”). Don’t cut the thread as we’ll connect the legs next.

Sullivan Monster Costume Creating the Body

Connecting the Legs and Forming the Body

  1. Round 21: Chain 2 from the right leg, attach it to the left leg by working some shift stitches in the last shift sc of the left leg. Then work 28 sc along the left leg, 2 inc along the chain, 28 sc along the right leg, 2 sc along the chain (62). The beginning of the row must be centered.
  2. Round 22: 11 sc, (inc, 1 sc) × 3, 26 sc, (1 sc, inc) × 3, 13 sc (68)
  3. Rounds 23-26: 68 sc (for 4 rounds)

Cut the thread and hide it. Next, we’ll crochet in turning rows, changing colors between turquoise and ice blue:

  1. Round 27: Ice-colored 7 sc, change to turquoise, 54 sc, change to ice, 7 sc, 4 ch
  2. Round 28: From second chain: 3 sc on ch, 7 sc, change to turquoise, 54 sc, change to ice 7 sc, 1 ch, turn (71)
  3. Round 29: 8 sc, change to turquoise, 52 sc, change to ice, 11 sc, ch, turn (71)
  4. Round 30: 12 sc, change to turquoise, 50 sc, change to ice 9 sc, ch, turn (71)
  5. Round 31: 9 sc, change to turquoise, (5 sc, dec) × 7, 1 sc, change to ice sc, ch, turn (64)
  6. Round 32: 12 sc, change to turquoise, 43 sc, change to ice 9 sc, ch, turn (64)
  7. Round 33: 9 sc, change to turquoise, 1 sc, (5 sc, dec) × 6, change to ice, 12 sc, ch, turn (58)

Continue alternating ice and turquoise sections as directed in the pattern for rounds 34-41. Then:

  1. Round 42: 10 sc, change to turquoise 37 sc, change to ice, 7 sc, ch, turn (54)
  2. Round 43: 10 sc, change to turquoise, 4 sc, with the sleeve 8 sc, 13 sc, with the sleeve 8 sc, 4 sc, change to ice 7 sc, ch, turn (54)
  3. Round 44: 5 sc, dec, change to ice, the remaining 12 sc of the sleeve, 13 sc, the remaining 12 sc of the sleeve, 4 sc, change to ice, dec, 8 sc, ch, turn (60)
  4. Round 45: 7 sc, dec, change to turquoise, 45 sc, change to ice, dec, 4 sc (58)
  5. Rounds 46-48: 58 sc (for 3 rounds)
  6. Round 49: 2 sc, (6 sc, dec) × 7 (51)

Leave a long end for sewing. Paint purple spots all over the jumpsuit with acrylic paint, then sew on any additional decorative elements.

Sullivan Monster Costume Creating the Tail

The tail adds an authentic touch to your monster costume. Use a 2.25mm hook and turquoise yarn:

  1. Round 1: Create a magic ring with 6 sc (6)
  2. Round 2: (1 sc, inc) × 3 (9)
  3. Round 3: 9 sc
  4. Round 4: (2 sc, inc) × 3 (12)
  5. Round 5: 12 sc
  6. Round 6: (3 sc, inc) × 3 (15)
  7. Round 7: (4 sc, inc) × 3 (18)
  8. Rounds 8-9: 18 sc (for 2 rounds)
  9. Round 10: (5 sc, inc) × 3 (21)
  10. Rounds 11-12: 21 sc (for 2 rounds)
  11. Round 13: (6 sc, inc) × 3 (24)
  12. Round 14: (5 sc, inc) × 4 (28)
  13. Round 15: 28 sc
  14. Round 16: (6 sc, dec) × 4 (32)
  15. Rounds 17-24: 32 sc (for 8 rounds)
  16. Round 25: (7 sc, inc) × 4 (36)
  17. Rounds 26-27: 36 sc (for 2 rounds)

Leave a long tail for sewing. Paint purple spots with acrylic paints to match the body.

Crafting the Spikes

Small Spikes (4 pieces)

Using a 1.00mm hook and emerald yarn:

  1. Chain 5, from the second chain: 1 sc, 2 hdc, 1 dc
  2. Leave a long end for sewing.

Big Spikes (4 pieces)

Using a 1.00mm hook and emerald yarn:

  1. Chain 6, from the second chain: 1 sc, 2 dc, 2 tr
  2. Leave a long end for sewing.

Sullivan Monster Costume Creating the Baby Mike Monster (optional)

This small monster companion adds an adorable touch to your creation.

Using a 2.00mm hook and caramel yarn:

  1. Round 1: Chain 8, from the second chain: 6 sc, 3 sc in the last chain, on the other side of the chain: 5 sc, inc (16)
  2. Round 2: inc, 5 sc, inc, 1 sc, inc, 5 sc, inc, 1 sc (20)
  3. Round 3: 1 sc, inc, 5 sc, inc, 3 sc, inc, 5 sc, inc, 2 sc (24)
  4. Rounds 4-8: 24 sc (for 5 rounds)
  5. Round 9: 1 sc, dec, 5 sc, dec, 3 sc, dec, 5 sc, dec, 2 sc (20)
  6. Round 10: dec, 5 sc, dec, 3 sc, dec, 5 sc, dec, 1 sc (16)
  7. Round 11: 16 sc

Next, sew the front loops only, cut the thread and hide it.

Body

Using a 2.00mm hook and caramel yarn:

  1. Round 1: Chain, 10, from the second chain: 8 sc, 3 sc in the last chain, on the other side of the chain: 7 sc, inc (20)
  2. Round 2: inc, 7 sc, inc, 1 sc, inc, 7 sc, inc, 1 sc (24)
  3. Rounds 3-4: 24 sc (for 2 rounds)
  4. Round 5: 23 sc (we don’t finish crocheting the last stitch)
  5. Round 6: dec, 8 sc, 2 dec, 8 sc, dec (20)
  6. Rounds 7-9: 20 sc (for 3 rounds)
  7. Round 10: dec, 6 sc, 2 dec, 6 sc, dec (16)
  8. Round 11: 6 sc, dec, 6 sc, dec (14)
  9. Round 12: 14 sc
  10. Round 13: Fold in half and crochet 7 sc together

Leave a long tail thread for attaching to the main doll.

Eye for Baby Mike

Using a 1.00mm hook and white yarn:

  1. Round 1: Create a magic ring with 6 sc (6)
  2. Round 2: 6 inc (12)
  3. Round 3: (1 sc, inc) × 6 (18)
  4. Round 4: (2 sc, inc) × 6 (24)
  5. Round 5: 24 sc

Leave a long tail thread for attaching. Paint the eye with acrylic paints: first a blue circle, then a black center, and finally a white highlight.

Hands and Legs

Follow the instructions in the pattern to create small appendages for the Baby Mike character.

Sullivan Monster Costume Final Assembly

  1. Attach the horns to the hood between rows 4-10.
  2. Sew the eyes and eyebrows to the hood front.
  3. Attach the nose to the center of the hood front.
  4. Sew the tail to the back of the body.
  5. Attach the spikes along the back and tail as shown in the photos.
  6. Sew the hood to the body by connecting the front loops of the overalls to the front loops of the hood.
  7. Add purple spots to the costume using acrylic paint.
  8. Assemble the Baby Mike character and attach it to the doll’s hand.

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Final Touches

Once you’ve assembled all the parts, your Sullivan monster costume amigurumi is complete! The attention to detail in this pattern creates a recognizable character that any fan will adore. The tiny Baby Mike companion adds an extra special touch that completes the story.

This amigurumi makes a wonderful gift for fans of the classic monster movie, or a delightful addition to your own collection. The finished doll stands about 25-30 cm tall and features articulated limbs for posing.

Remember to tag your finished creation with #alinettoys and @alinettoys on social media to share your work with the designer.

Happy crocheting, and enjoy your adorable Sullivan Monster Costume amigurumi doll!