Annualy, on 30th April, the website Newgrounds.com holds a celebration known as Pico Day, in celebration of Pico. Users submit Pico-themed animations and games, often featuring his pals Nene and Darnell. Pico is an origianl charachter created be Tom Fulp, the founder of Newgrounds.
Pico Day falls on Tom Fulp's birthday.
"I'm going to create a Pico Day cartoon! Oh boy, a Pico Day cartoon! I can't wait to start work on my Pico Day cartoon! ...what's a Pico?"