Pinky and the Brain with the entire cast.
Pinky and the Brain in a scene from the opening sequence.
Pinky and the Brain on an Animaniacs comic cover.
"How did that get in there?"
Brain as seen in "In the Garden of Mindy"
Brain with an Earth keychain
Pinky and the Brain in Wakko's Wish
Pinky and the Brain figurines
Brain as a ferocious beast in Brain Meets Brawn
Brain transforming back from beast to mouse after Pinky apologizes
Brain realizes that Pinky is a very loyal friend after reading his letter to Santa
A cel from "Pavlov's Mice" where a short-tempered Brain bashes Pinky over the head
Brain as Brain-2-Me-2 in Star Warners
Brain as Little Baby Brain
Pinky and Brain as seen in This Old Mouse
Brain depends on Pinky in Welcome to the Jungle
Pumbaa Warthog corpse (Brain Eat Warthogs)
Despite his intelligence, Brain lacks outdoor survival skills
Brain and his friend Pinky sing a song about a mouse named Don Cerebro
Brain with Dr. Sigmund Freud
Pinky and Brain at the end of episode, Tokyo Grows
"I'm a little teapot, short and stout...."
Brain is also known to have a soft side
Pinky and Brain in Brian's Song
Piny and Brain as Sonny and Cher in "You'll Never Eat Food Pellets in This Town Again!"
Pinky and Brain in Napoleon Brainaparte
"the same thing we do every night, Pinky, try to take over the world!"
"Frankly, my dear Pinky, I don't give a---"
Brain in "The Brain's Apprentice."
Baby Brain meets Orson Welles
Brain has a very bad temper
Brain as Bubba Bo Bob Brain
Mindy wants to play dress-up, much to Brain's dismay
"Are you pondering what I’m pondering?"
Brain in his own musical production, Angst
After reading Pinky's letter to Santa, Brain, realizing how much of a jerk he had been to his best friend Pinky, sheds tears of remorse
Brain at the end of Welcome to the Jungle
Brain as Brainodo in Tokyo Grows
Brain scowls at a laughing Pinky, before chucking a gear at his head
Brain as a lounge singer in "Brain's Way"
Brain sings his number, "The Improbable Scheme" in The Mouse of La Mancha