Ōtora

was a drunk villager who would always wander around Sunagakure with a bottle in his hand.

Background
When he stumbled into Gaara, he started to insult him, only to realise who he was talking to. When Gaara saw the fear in his eyes, he unintentionally killed Ōtora.

Trivia

 * "Ōtora" means "big tiger".