Quoted from the designer:
Little BOO is a free-standing Calendar Doll! I’ve used some of my favorite stitches - BPST, FPST, SLST and BLO, to make him in one piece. Little BOO has an extra removable hat, with a rotating propeller.
Image belongs to Carrie Anderson
Carrie is also part of a facebook group called, "Learn Amigurumi Crochet With Us." Be sure to check that out.
Get Little Boo's pattern here
see more Halloween patterns here