Who has been a member of more bands, Caleb Shomo or John Rzeznik?
Caleb Shomo Caleb Joshua Shomo (born December 1, 1992) is the lead vocalist of hardcore band Beartooth, the former lead vocalist, guitarist, keyboardist, and early on backing vocalist of metalcore band Attack Attack!, and the owner of Studio Records in Columbus, Ohio. Shomo joined Attack Attack! as keyboardist at 14 years old while maintaining a passion for electronic music and eventually grew into record production by 18.
Tomo Miličević Tomislav "Tomo" Miličević (] ; born September 3, 1979) is an American musician and record producer best known as the lead guitarist of rock band Thirty Seconds to Mars. Born in Sarajevo but raised in the United States, Miličević moved to Troy, Michigan in the early 1980s, where he became active in the local heavy metal scene and played in a number of bands, co-founding Morphic. In 2003, he joined Thirty Seconds to Mars, with whom he achieved worldwide recognition in the mid-2000s after recording the band's second album "A Beautiful Lie" (2005). Its full-length follow-ups, "This Is War" (2009) and "Love, Lust, Faith and Dreams" (2013), received further critical and commercial success.