He just WON'T. STOP. LAUGHING!
Well he must be quite cheery to never stop laughing.
He just rams into you, he's fireproof, bulletproof, fangproof, impervious any sort of chemical or small projectile really. It takes something that can puncture about twenty layers of steel, Kelvar, and fireproof plastic arranged in a sphere, which disperses impact force.
HE WAS MADE FOR TEH LULZ