Zenny

Zenny (ゼニー Zeni-), Ƶ, is the currency from the Mega Man series. It first appearance in a Mega Man game was in Wily and Right's RockBoard: That's Paradise, and later in Mega Man X: Command Mission and all the games of the Mega Man Legends series and MegaMan Battle Network series.

It is also used in many other games and animated series like Dragon Ball, Breath of Fire and others.