He was trying to save Krypton
He got fired.
3, duh. (My ex's 9 year old little sister told me this joke, and followed is up with: "and YOU'RE the math guy!" >< Burned.)
He was too far out, man.
Slow your roll.
Drummers.
Letterhead and envelopes. No matter how hard you try, they remain stationery!
Noble rocks
Sue-per Man
P*** Even Superman can't hold it.
The krypton-knight.