|Debut||"Yatterman's Rolling Out"|
|Voice||Reiko Katsura (1977)|
Chiaki Takahashi (2008 & live-action)
Omotchama (オモッチャマ, Omocchama?) is Gan Takada's robot in the Yatterman series. It serves as the mascot of Gan's father's toy shop. It is shaped like a large die, and is known for its catchphrase "-da-koron" at the end of each sentence.
|Yatterman||Gan Takada · Ai Kaminari · Omotchama · Yatter-Wan · Yatter-Pelican|
|Doronbo Gang||Doronjo · Boyacky Butsukusa · Tonzura Sutakora · Dokurobei|
|Minor Characters||Tokubei Takada · Hassan · Benifal · Yokubaba · Poppe · Chamberlain · King Gamehameha|