Savanna (サバンナ) are a Japanese comedy duo consisting of Masumi Yagi (八木 真澄) and Shigeo Takahashi (高橋 茂雄).
He is known for his meaningless English gags (not unlike Kazuki Ōtake of the kombi Summers), and often yells phrases such as "Spoon!
He generally plays the stranger role in their acts, and his blues-playing character, Hiroshi Inui, has become a frequent addition to their material lately, allowing the duo to advance to the semi-finals during the 2006 R-1 Grand Prix tournament.
While Savanna has performed over 100 observational humor acts (neta) on stage, it is rumored that Yagi has created a usable stock of over 500.
Yagi has appeared on Ninja Warrior before, failing to complete the first stage after whipping out on the 'Jumping Spider' challenge.