'Glee' Star

Happy He's Mistaken

for Someone Else

10/10/2009 8:32 AM PDT BY TMZ STAFF
Cory Monteith -- aka Finn from "Glee" -- is not exactly a household name yet ... and he won't ever be if he keeps telling people he's Chris Klein.

Cory Monteith
The "fans" who wanted his pic didn't care who he was -- they just wanted a photo with a celeb ... whomever he may be.