Aaron is talking to Damon in this scene from The Vampire Diaries. It's from the episode "The Cell."
Aaron will continue to play a key role on The Vampire Diaries. He's played by Shaun Sipos.
Stefan is front and center in this Vampire Diaries scene. He is next to Aaron and Damon.

The Vampire Diaries Season 5 Episode 10 Quotes

Damon: I'm gonna barf.
Katherine: Great. Then my work here is done.

That's my brother Stefan. But I'd watch your tone with him because he's kind in the middle of a psychotic break.