Penicillin is the name of more than one artist: 1) PENICILLIN is a Japanese Rock band who formed in 1992 in Kanagawa, Japan. Members: ** Vocals: HAKUEI ** Guitar: 千聖 (Chisato) ** Drummer: O-JIRO ** Support Bass: Natsuki ** Support Bass: Chiyu Ex members: Guitar: SHYSUKE Bass: GISHO Support Bass: HIROKI Support keys: NAOMI History: Their first offical release was PENICILLIN SHOCK which was released on May 30, 1994. Their most recent release was the album BLUE HEAVEN on February 28, 2007. Read more on Last.fm