I ran over to IMDB after they announced the Peter Cullen casting to see if I'd recognize him anywhere else.

Why didn't anyone tell me he's the voice of Eeyore? I knew there was a reason I liked this guy!

(BTW Rex -- Frank Welker was in KOTOR. I thought you'd find that amusing.)

"You're either lying or stupid."
"I'm stupid! I'm stupid!"
Megatron and Starscream