Joseph Trohman and Pete Wentz play guitar for Fall Out Boy Joe Trohman plays lead guitar, Patrick Stump plays the other guitar, Pete Wentz plays bass and Andy Hurley plays drums!
The bass guitar, the guitar, and the keyboard. (in Fall Out Boy he only is bassist)
Patrick Stump and Joe Trohman
Andrew (Andy) Hurley--Drums. Patrick Stump--lead vocals and guitar. Joe Trohman--lead guitar. Pete Wentz--back up vocals, bass.
Patrick
Pete Wentz plays his signature Fender Squire bass; Patrick plays his signature Stump-o-matic ( what a beautiful guitar indeed!) ; and Joe Trohman plays his signature Washburn guitar. hope this helped x
falloutboyrock.com -- Joe Trohman (guitar) Patrick Stump (lead singer) Pete Wentz (bass guitar) and Andy Hurley (drums)
In boy bands, the focus is on the vocalists. No other musicians involved in the making of the music are credited, so there is no record of who their bass player is.
I'm pretty sure Fall Out Boy use Marshall amps.
fallout boys guitarists uses a pure tone guitar pick
If by "what are they called" you mean "what are their names", then its Patrick Vaughn Stump: Lead vocals; Peter Lewis Kingston Wentz 3rd: Bass guitar-vocals; Joseph Mark Trohman: Lead guitar-vocals; and Andrew John Hurley: Drums
The drummer's name in Fall Out Boy is Andy Hurley