Yamato Endou is a major antagonist of Wind Breaker and the overarching antagonist in the Roppo-Ichiza Arc. He left Furin alongside Chika Takiishi.

Endou is a tall and slim young man with short, messy, ear-length black hair with teal streaks, seafoam green eyes, and tattoos of black flames on his shoulders, as well as the infinity symbol on his neck. He wears a black tank top under a checkered jacket, black pants, and black and white All-Star sneakers.

Later, during the Noroshi War Arc, he wears a dark grey yukata with a black belt under his tank top.