Taizo Kaga (portrayed by Tatsuya Gashuin) is the main antagonist in episode 3 and 4 of 2009 TV series called Kamen Rider W. He uses the Money Memory to turn into the Money Dopant.
Kamen Rider W
He is a life-long gambler who is able to use others' tells to win. He is also the owner of the secret Million Colosseo (ミリオンコロッセオ Mirion Korosseo) casino, using his powers as the Money Dopant to enforce payment of debts. By tricking debtors into having them bet their life force in a game of chance, many debtors lose their life. Shotaro and Philip are able to beat Kaga out of all of his Life Coins in a winner takes all game of old maid. After the Money Dopant is defeated and the Money Memory broken by means of the Metal Branding Maximum Drive, the Life Coins are unsealed and everyone is returned to normal.
Kamen Rider Wizard
The Money Dopant was one of the many Dopants that were revived as part of the Akumaizer's Monster Army.