Slimmed-Down Jonah Hill Is Nearly Unrecognizable While Sporting Braids and Tattoos on 'Maniac' Set

The 33-year-old actor's weight loss is the least of his transformation.

Jonah Hill, is that you? 

The 33-year-old actor has completely transformed for his role on the upcoming Netflix series, Maniac. 

A slimmed-down Hill sported leather pants and a brown hoodie on set in Long Island, New York, on Wednesday -- but his weight loss is just one piece of his shocking transformation. The actor wore his hair in long braids and showed off tattoos on his hands and neck. 

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Maniac, based off the Norwegian series of the same name, will follow Hill's character, a patient at a mental institution, who lives out adventures in his dream. The dark comedy, directed by True Detective's Cary Fukunaga, also stars Emma Stone as a fellow patient. 

Hill rocked a much different look while filming with Stone last month, as the two were photographed in head-to-toe '80s ensembles. 

Maniac is set to debut on Netflix in 2018. See more on Hill's transformation in the video below.