Joseph Costello
#90,604 Most Popular
About
Self-made entrepreneur who is well known for his comedic videos, which he uploads to his popular YouTube channel QuietAssassins.
Before Fame
He created his QuietAssassins YouTube channel in May of 2008.
Trivia
He founded the lifestyle street wear clothing line GODLY. His YouTube channel has more than 650,000 subscribers.
Family Life
He was born in Austin, Texas. He has a brother named Marcel and a bulldog named Sadie. He has posted photos with his girlfriend on Instagram.
Associated With
He uploads a lot of prank videos to his channel, like Ed Bassmaster.
Video
Joseph Costello Highlights
