Free Knitting Pattern for Happy Hippo Baby Hat - Cassandra May at Little Red Window designed this knit baby hat that gets its personality from a some easy pieces. The 12 month size pattern is free at her website. Printable pdf version and other sizes from newborn to 2T are available on Etsy.
(Pattern is for size newborn to adult. I love this ladies patterns,because she always does that with her cute hats. Admit it, you're an adult and you want a piggy hat!ASW) Repeat Crafter Me: Crochet Pig Hat Pattern