The real Jim Carrey has entered the building (and is holding a sign)

A 'then vs now' comparison image showing Jim Carrey's face from earlier in his career (circled on left) compared to a current photo of a man wearing a Mask movie t-shirt, holding a cardboard sign claiming to be 'the real Jim Carrey.' The comedic implication is that this person is either joking about aging or making a surreal claim of identity. Extracted text: THEN NOW I AM THE REAL JIM CARREY!!! THE MASK THE CELEB TALK