Yumiko Kobayashi

Yumiko Kobayashi (小林 由美子 Kobayashi Yumiko, born June 18, 1979 in Chiba, Japan) is a Japanese voice actress known for voicing Ooyama in Angel Beats! and Black☆Star in Soul Eater. She also voices Darwin Watterson in the Japanese dub of The Amazing World of Gumball.