Brendon provided backing vocals for Fall Out Boy's "7 Minutes In Heaven (Atavan Halen)."
He also plays keyboard, accordion, piano, organ, cello, bass, drums and guitar.
He was recently named one of Spin.com's Hottest Stars Under 25.
Was originally supposed to be the new guitarist for P!ATD but after hearing his voice the group decided he should be on vocals.
He is a vegetarian.
Brendon has a 13-year-old sister named Sonja.