I love the Hitchhiker's Guide to the Galaxy, it is my all-time favorite book. I decided to celebrate Towel Day by making myself a set of finger puppets from the books.
Trillian (Tricia McMillan):
Marvin the Paranoid Android:
Happy Towel Day everyone and, if you are interested, the patterns are up on my website: http://crochetbot3000.com/happy-towel-day/