|Full Name||Karl Herman Mueller|
|Birthdate||July 27th, 1963–June 17th, 2005 (41 years)|
|Position||Bassist, backup vocalist|
|Instruments played||Bass guitar|
|Duration in band||1983–2005|
- Provided lead vocals for a single one of the band's songs: Hot Pants.
- Starred as the murderer in the video for Artificial Heart.
- Appeared on the cover of Clam Dip & Other Delights, as a parody of the 1965 album Whipped Cream & Other Delights by Herb Alpert & the Tijuana Brass.
- Introduced his future bandmates to punk rock after a trip to London, England in 1978.
- Bought his first bass guitar for $100.