Bill Rizer

'''"It's time for revenge."

- Bill Rizer Bill Rizer' is the main protagonist of the Contra'' series by Konami.

Commonwealth regime and Resistance Force
Bill was a former member of Commonwealth Army under the name "Bahamut". However, after witnessing an imperial squad execute innocent people, he turned on his comrades by creating his own Resistance Force, trying to overthrow the Commonwealth. With the help of Krystal, Harley Daniels and Sayuri, the Resistance Force's attempt to destroy the Commonwealth was a great success, thwarting Tiberius as well as his right-hand-man, Lance Bean, who returns as Bill's friend after a conflict.

Red Falcon crisis
He returns, and fought alongside Lance, defeated the Red Falcon and his alien army, and put a stop to their plans to take over the Earth.

Thwarting the Black Falcon threat
After the Red Falcon is killed, the two of them are accompanied by Mad Dog and Scorpion and defeat Black Viper.