Robert Sheehan is an Irish actor. He is best known for television roles such as Nathan Young in Misfits, Darren Treacy in Love/Hate, and Klaus Hargreeves in The Umbrella Academy, as well as film roles such as Tom Natsworthy in Mortal Engines and Simon Lewis in The Mortal Instruments: City of Bones.

What is Robert Sheehan's accent?

His Irish accent. Yes, for those who don't know, Robert hails from Ireland, which you'd probably never guess judging by his American accent on Netflix's The Umbrella Academy. But if you remember Robert from Misfits, this bit of information isn't shocking, since he kept his Irish cadence on the British series.

Why did Nathan leave misfits?

Speaking about leaving Misfits, Sheehan said his decision came well before season two had finished production. He also rubbished rumours he had exited to work on big films, explaining to Digital Spy in 2011: “I left Misfits to go off and do other stuff, completely unspecific.