Yoko Littner is a human and a spiral from Littner Village. She is the Sniper for Team Dai-Gurren, proficient with all firearms, especially her long-range superconducting rifle. Often seen as the most mature and intelligent member of her team, Yoko is kind, caring, and possesses sharp survival instincts. However, she has a short temper, especially when dealing with people she considers idiots. She wears revealing clothing, which she claims is for tactical mobility. Her appearance is often described as a 'red and black blur' when she's in motion, referencing her hair and outfit.