From Naruto: When you first see him, you know something's not right. He's a ninja. That wears a turtleneck sweater. And his name? It's
DAN. DAN! WTF?!?

Good thing he's only in a flashback.
(not really a spoiler, since we know this before the flashback, and it isn't important, but...)
Spoiler wrote:When he's dying, he's all like "Waaah! I don't wanna die! Oh? I'm not dying? That's good... *dies*