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Find out the story behind this wild pic of Ike Barinholtz and Zac Efron

It may have been taken on the set of a film, but that doesn't quite explain everything.
/ Source: TODAY

Ike Barinholtz is a fast-rising comedian many know best from "The Mindy Project." But he's also been making a name for himself in movies like "Neighbors" and, most recently, "Sisters" alongside Tina Fey and Amy Poehler. He's a talented, funny guy.

And while his on-screen work is enough to make us laugh, his Instagram feed does the trick as well.

While posing in some clearly off-putting clown makeup, he hugged Zac Efron in one picture and wrote in the caption: "So good to catch up with my son. Even though things didn't work out with me and his mom I miss him and am proud of him #family #myboy"

And here he is with Chloë Moretz, writing: "Bonding with @chloegmoretz" — but we're pretty sure her expression does not say they're getting closer.

During his visit to TODAY, Barinholtz noted the pictures were taken on the set of "Neighbors 2: Sorority Rising," and joked, "That was right before I got to set, and then I got into makeup ... I woke up like this."

"You look like you're channeling Heath Ledger [as The Joker in "The Dark Knight"]," noted Al Roker.

Al Roker and Ike Barinholtz agree that his clown makeup is rather Joker-reminiscent.TODAY

"A little bit, yeah!" admitted Barinholtz. "Very creepy!"

Still, at least he seems to be having fun, right?

"Sisters" opens in theaters on Friday, Dec. 18.

Follow Randee Dawn on Twitter.