
Quick answer — Takeo Watanabe worked on Nobody's Boy Remi (Music), Mobile Suit Gundam (Music), Mobile Suit Gundam III: Encounters in Space (Music) and 5 more anime.
Takeo Watanabe worked on Nobody's Boy Remi (Music), Mobile Suit Gundam (Music), Mobile Suit Gundam III: Encounters in Space (Music), Candy Candy (Music), Heidi, Girl of the Alps (Music), Mobile Suit Gundam I (Music), Mobile Suit Gundam II: Soldiers of Sorrow (Music), Cutie Honey (Music).