Dan Stevens portrays David Haller, also known as Legion, in the eponymous tv series. He is the main protagonist and an Omega class mutant which is the most powerful mutant that exists.

He has multiple personalities that have different powers hence the name of Legion.

Check out the trailer to find out more:

At the beginning of the show he is in a mental institute where he wears a very codified outfit.

Then, once he escapes, he has a casual style but always with a cool tshirt that we suspect has a link with the episode or is an easter egg (but are not smart enough to find out).

If you want to dress like David Haller aka Legion in Legion, check out our complete guide: