Angel is a minor character in Regular Show who first appeared in the episode "Mordecai and the Rigbys". He was a musician who played just before Mordecai and Rigby at the open mic night at the coffee shop, and was also Margaret's boyfriend for a short amount of time. It seems like they were no longer boyfriend and girlfriend by season 2 episide 2 "It's Time" and likely before that. He is the second revealed boyfreind of Margaret, after Slasher in "Caffeinated Concert Tickets".
He wore a blue shirt and grey pants. He had blonde hair.