Jack Kilcoyne, Date of Birth, Place of Birth
TweetJack Kilcoyne
American musician
Date of Birth: 30-May-1969
Place of Birth: Lakewood, Ohio, United States
Profession: musician
Nationality: United States
Zodiac Sign: Gemini 
About Jack Kilcoyne
- Pig Benis (born Jack Kilcoyne, May 30, 1969) is an American musician, best known for his 17-year tenure with Cleveland, Ohio alternative metal band Mushroomhead.
- He joined the band in 1995, replacing his brother Joe Kilcoyne aka Mr.
- Murdernickel, and parted ways in 2012.
- His stage name is a spoonerism of "Big Penis".
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