WW yarn in two colors
Tiny-ass Safety eyes, or fabric paint to make eyes
Main Body: (with first color)
Rnd 2: 2sc in each sc around (12)
Rnd 3: sc in each sc around (12)
Rnd 4: *sc 1, 2sc in next sc* repeat around (18)
Rnd 5-7: sc in each sc around (18)
Rnd 8: sc in the next 5 sc, in back(out-facing) loops only for the next 8 sc, (slip stitch, ch 5, slip stitch back up ch , slip stitch back into starting stitch), sc in the last 5 sc. (10 sc and 8 "arms")
Rnd 9: *sc, dec over the next 2 sc* repeat around, treating the front(in-facing) loops as a normal sc. (12) Add the saftey eyes if you're using them, and start stuffing.
Rnd 10: *dec over the next 2 sc* repeat around (6). Finish stuffing, F/O, sew shut, weave in your end.
Fins: (with second color, join to main body just under 1st arm)
Row 1: Working up the side of the cuttlefish *5 sc in next stitch, slip stitch in next stitch* Repeat *-* to other side of the cuttlefish(you should get 7 "scallops").
Here's what your finished cuttlefish should look like(please pretend it has a face, I didn't have time to paint one on, lol).