there are two great ones.
first from tengen toppa guren lagan
Simon "Eat this!!!"
Anti-spiral "NEVER"
2nd one is from Death note. like best joke ever.
Misa Misa "i don't want to live in a world without Light"
L. "yes, it would be dark"
also really funny one is from Ouran highschol host club outtakes - where that Jakuza guy's bird flies off.
Yakuza with sad look..."get my gun..."