Bradley Glenn "Butch" Walker (born November 14, 1969) is an American singer, songwriter, musician, and record producer, known for his work with the groups SouthGang, Fall Out Boy, and Marvelous 3.
Butch has worked with Panic! at the Disco as a producer, backing vocalist, and songwriter.
- "Bohemian Rhapsody" - engineering, backing vocals
- Too Weird to Live, Too Rare to Die! - production, backup guitar, bass, writing, backing vocals
- Vices & Virtues - production, engineering, backup guitar, backing vocals, programming, composition