httpss://www.youtube.com/watch?v=C4YNcqNF4hg

“At the beginning of the first season, I got the part and I talked to the Duffer Brothers and they were saying, ‘Yeah, he’s going to be kind of this jock character and he’s a swimmer,'” Keery recalled on Wednesday’s Late Night With Seth Meyers.

“They had that incorporated in the thing. So, for the first six weeks prior to shooting, I was training, doing all this swimming prep. Also, I thought I was going to be in a Speedo – it was a TV show. The first thing I ever did I was going to be in a Speedo.”

The 25-year-old actor trained hard so as not to be referred to as “Chunky Steve,” but it turns out his efforts were in vain.

“Then we showed up the first day and they were like, ‘Oh no we cut that,'” he said.

“It’s the most in shape I’ve ever been.”

Fans may want to stick the Mind Flayer on the Duffers.