Question: Who has been a member of more bands, Caleb Shomo or John Rzeznik?

full_context: Document 1: Skrillex: Sonny John Moore (born January 15, 1988), known professionally as Skrillex, is an American electronic dance music producer, DJ, singer, songwriter and multi-instrumentalist. Growing up in Northeast Los Angeles and in Northern California, Sonny Moore joined the American post-hardcore band From First to Last as the lead singer in 2004, and recorded two studio albums with the band ("Dear Diary, My Teen Angst Has a Body Count", 2004, and "Heroine", 2006) before leaving to pursue a solo career in 2007. He began his first tour as a solo artist in late 2007. After recruiting a new band lineup, Moore joined the Alternative Press Tour to support bands such as All Time Low and The Rocket Summer, and appeared on the cover of "Alternative Press'" annual "100 Bands You Need to Know" issue.
Document 2: 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.
Document 3: John Christ: John Christ (born John Wolfgang Knoll on February 19, 1965) is a musician best known as the original guitarist for the metal band Danzig. He has been known for his bluesy hard rock sound and frequent use of the pinch harmonic. Christ was ranked 63rd in "Guitar World's" list of 'The 100 Greatest Metal Guitarists'.
Document 4: John Petrucci: John Peter Petrucci (born July 12, 1967) is an American guitarist, composer and producer. He is best known as a founding member of the progressive metal band Dream Theater. With his former bandmate Mike Portnoy, he has produced all Dream Theater albums from 1999's "" to 2009's "Black Clouds & Silver Linings", and has been the sole producer of the band's albums released since Portnoy's departure in 2010. Petrucci was named as the third player on the G3 tour six times, more than any other invited guitarist. Joel McIver's 2009 book "The 100 Greatest Metal Guitarists" ranks Petrucci second, after Dave Mustaine. He was also named as one of the "Top 10 Greatest Guitar Shredders of All Time" by "GuitarOne" magazine. In 2012, Petrucci was ranked the 17th greatest guitarist of all time by a "Guitar World" magazine reader's poll.
Document 5: Something for the Rest of Us: Something for the Rest of Us is the ninth studio album by American rock band Goo Goo Dolls. It was released on August 28, 2010 in Australia and on August 31 in North America through Warner Bros. Records. The recording process took place during the spring to fall of 2009 in the GCR Audio studio in Buffalo and Paramount Studios as well as "the Ark" in Los Angeles, with producer Tim Palmer. A single had been originally slated to be released in November 2009 with an album release in February 2010, but the band went back into the studio in January 2010. According to lead singer and guitarist John Rzeznik, this was done to make further improvements on what they had previously thought had been a finished record. Several producers were brought in to assist on the production process, including Butch Vig, John Fields, Paul David Hager and Rob Cavallo. "Something for the Rest of Us" is the third Goo Goo Dolls studio album that Cavallo has produced ("Dizzy Up the Girl" and "Gutterflower"). When asked about the length of time between albums, Rzeznik admitted it was a mix of songwriting issues as well as taking time out for personal reasons; "I wanted to really dig deep and there are a million songs I threw away, like, “Nah, it's not good enough. I wanna do something different. I wanna do something better, go deeper. I also wanted to have a life with my girlfriend for a while. I owed it to her to spend some time with her and be normal and be in one place. That was kind of important." In one of the Ustream sessions, Robby revealed that the album would have twelve songs and "Real" is not among them. In late May, John announced that "Home" would be the first single and was released onto radio and iTunes stores on June 8, 2010.
Document 6: This Means War (Attack Attack! album): This Means War is the third and final studio album by American metalcore band Attack Attack!. It was released on January 17, 2012 through Rise Records. Initially scheduled to be produced by John Feldmann (who previously produced tracks for the band's reissue of their self-titled album), production was instead handled by frontman Caleb Shomo in his home studio, making it the band's first album not to be produced by Joey Sturgis.
Document 7: Tyler Joseph: Tyler Robert Joseph (born December 1, 1988) is an American singer, songwriter, multi-instrumentalist, record producer, and rapper. He is the lead vocalist for the musical duo Twenty One Pilots.
Document 8: Alexander DeLeon: Alexander Michael DeLeon (born April 8, 1989) is an American songwriter and lead singer for the American rock band The Cab. The Cab was signed to Fueled By Ramen/Decaydance in 2007 and released their debut album, "Whisper War," in April 2008. In June 2011, The Cab left Fueled By Ramen/Decaydance, and released their second album, "Symphony Soldier", independently on August 23, 2011. In 2012 the band signed a major-label record deal with Universal Republic Records. DeLeon released the band's third album, the Lock Me Up EP in April 2014.
Document 9: Beartooth (band): Beartooth is an American hardcore punk band formed by Caleb Shomo in Columbus, Ohio in 2012. They have been signed to Red Bull Records since 2013. Their debut EP "Sick" was released on July 26, 2013, followed by their debut full-length album "Disgusting" on June 10, 2014. Their sophomore album "Aggressive" was released on June 3, 2016.
Document 10: Sick (EP): Sick is the debut extended play by American hardcore punk band Beartooth and is produced by Caleb Shomo formerly of the band Attack Attack! who sang and recorded all the instruments used on the album. It was released on July 26, 2013 through Red Bull Records for free download.
Document 11: Goo Goo Dolls: The Goo Goo Dolls are an American rock band formed in 1985 in Buffalo, New York, by vocalist and guitarist John Rzeznik, vocalist and bassist Robby Takac, and drummer George Tutuska. Mike Malinin was the band's drummer from January 1995 until December 27, 2013 (but not made an official member until 1998). Although renowned for their commercially successful 1998 single "Iris", they have had several other notable and popular singles including "Name" and "Naked" from 1995's "A Boy Named Goo". "Slide", "Black Balloon", "Dizzy", and "Broadway" from 1998's "Dizzy Up the Girl", "Here Is Gone" from 2002's "Gutterflower", "Better Days", "Give a Little Bit", and "Stay with You" from 2006's "Let Love In" (although "Give A Little Bit" was originally released on the 2004 live CD/DVD album ""), and "Home" from 2010's "Something for the Rest of Us". The Goo Goo Dolls have had 19 top ten singles on various charts, and have sold more than 12 million albums worldwide.
Document 12: Catamount Recording Studio: Catamount Recording Studio is a professional music recording studio in Cedar Falls, Iowa. Tom Tatman, Rick Bisbey and Bill Barker established the studio as a rehearsal and recording space for their band, Headstone. In 1980 the studio opened to the public and has since worked with many national bands including American rock band Stone Sour. Tatman serves as the studio's producer and chief engineer. Catamount Recording Studio exclusively records musicians and albums.
Document 13: Mike Malinin: Michael Theodore Malinin (born October 10, 1967) is an American musician best known for his work as the long-time drummer of the Goo Goo Dolls. Malinin joined the Goo Goo Dolls in January 1995, after a brief jam session in late 1994 with founding members Johnny Rzeznik and Robby Takac, who were at the time seeking to replace drummer George Tutuska. On December 27, 2013 Mike announced his departure from the band via Twitter.
Document 14: John Rzeznik: John Joseph Theodore Rzeznik ( ; born December 5, 1965) is an American musician, singer-songwriter, and producer. He is best known as the guitarist and frontman of the rock band the Goo Goo Dolls, of which he is a founding member and with whom he has recorded eleven studio albums.
Document 15: Jed (album): Jed is the second studio album by American rock band Goo Goo Dolls. It is the first studio album in which John Rzeznik sang vocals for some of the tracks. The majority of the songs are sung by Robby Takac, with Rzeznik taking over for two ("Up Yours" and "James Dean"). Fellow Western New York native Lance Diamond sings vocals on track seven, "Down On The Corner." The second track on the album, "Up Yours", was the only song from "Jed" found on the band's compilation album "What I Learned About Ego, Opinion, Art & Commerce". The song "No Way Out" was also included on the band's most recent compilation album "Volume Two", which consisted of other album tracks, b-sides and rarities. The album was re-released on CD on February 22, 1994.
ground_truth: Caleb Joshua Shomo