Lucas' tattoo was based on an illustration

in the book Understanding Comics

Snow Driving was Lucas' Christmas gift to his mom in 2004, when they had the holiday dinner at a casino In Ontario, Canada

Lucas won first prize (a gift certificate to Borders) for his comic book translation of Catullus

(click or copy and paste link in your browser)

http://www.ur.umich.edu/0405/Apr18_05/08.shtml

Groceries was created as a class assignment

at the University of Michigan, about  2005