"He brings a lot of joy whenever he leaves the room."

"When his IQ reaches 50, he should sell."

"If you see two people talking and one looks bored, he's the other one"

"A photographic memory but with the lens cover glued on."

"A prime candidate for natural DE-selection."

"Donated his brain to science before he was done using it."

"Gates are down, the lights are flashing, but the train isn't coming."

"He's got two brains, one is lost and the other is out looking for it."