KJ Apa channels Jimmy Stewart’s iconic vocal drawl and mannerisms in the biopic Jimmy, sparking buzz after the first trailer dropped.

Fans are convinced KJ Apa, Kevin James and Timothée Chalamet are behind some viral TikTok personas, including Mr. Fantasy, Mr. Taylor and rapper EsDeeKid, respectively.

In this video from the 'InStyle Files' series, KJ Apa's musical alter ego Mr. Fantasy breaks down his "slept in" chic look and reveals exactly who is on his Mount Rushmore of icons. Watch as the singer discusses his admiration for James Franco,