Mark Ruffalo is shocked people compare him to Noah Centineo

Fans think Noah Centineo, left, resembles actor Mark Ruffalo, right.

(CNN)Mark Ruffalo is flattered that some people think he and Noah Centineo look alike, but he's also a bit shocked.

Centineo is Hollywood's young heartthrob of the moment and many think he looks a lot like a young Ruffalo.
"I wish I was that good looking," Ruffalo told Jimmy Fallon in disbelief on "Th