How am I only learning this NOW!? Um... I mean, that is to say... "Oh. Interesting. I have vauge memories of having enjoyed that, as a lad..."
EDIT: I am informed that that's not Cullen as Eeyore, but rather Pixar animator/voice-actor Bud Luckey, a legendary figure to animation buffs for his 1970s "Sesame Street" shorts and the movie adaptation of Russell Hoban's "The Mouse & His Child."