Cotaro Yazawa

Cotaro Yazawa (矢澤 虎太郎 Yazawa Kotarō) is one of Nico Yazawa's siblings.

Background
In Season 2 Episode 4, it was revealed that Nico Yazawa had three siblings, Cocoro, Cocoa and Cotaro. Like his siblings, Cotaro believed his older sister was the star of μ's.

Personality
Cotaro is the youngest among the Yazawa siblings. He's often seen with snot coming out of his nose and is also often seen holding a toy hammer.

Chronology
Season II =

Etymology

 * The name Cotaro means "tiger" (虎) (ko), "thick, big" (太) (ta) and "son" (郎) (ro).
 * Cotaro's surname Yazawa means "arrow" (矢) (ya) and "marsh" (澤) (sawa/zawa).

Trivia

 * Cotaro is the only Yazawa sibling not to appear in Love Live! School idol diary and both the normal and Special Edition manga adaptations.
 * The 25 on Cotaro's shirt is a reference to Nico's name also being read as 25.
 * Cotaro is currently the only human male in the series to have his face revealed and to have a speaking role.