Head and body:
Magic loop with 6 single crochet

Rows of increasing until reaching 12 single crochet and 1 increase for 6 times

15 rows single crochet in every single crochet of the previous row

Rows of decreasing untill reaching 5 single crochet and 1 decrease for 6 times

5 single crochet, 1 increase for 6 times
1 row of single crochet in each single crochet of previous row

6 single crochet, 1 increase for 6 times
1 row of single crochet in each single crochet of previous row

7 single crochet, 1 increase for 6 times
1 row of single crochet in each single crochet of previous row

14 rows of single crochet in each single crochet of the previous row

Rows of decreasing until close work

Arms and legs:
Magic loop with 6 single crochet
1°: increase in each stich of the previous row
2°: 1 single crochet, 1 increase repeat 6 times
8 rows of single crochet in each single crochet of the previous row