"We know 'em, right Plank?"

'X' dropped out of a Visual Arts College to take a job as an animator at Hanna Barbera. This Canadian writer, director, producer and animator is well known for creating the Cartoon Network comedy series 'Y'. With Hanna-Barbera, 'X' worked on a number of series, including The Flintstones, Scooby Doo and scrappy doo, The smurfs, and Richie Rich.
'Y'  remains one of Cartoon Network's most successful series to date. It revolves around three preteen boys: Y, collectively known as ___, who live in a suburban cul-de-sac in the fictional town of Peach Creek.

Id X and Y.