Doppelgangers: Does Everyone Have One?
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Do You Have a Doppelganger?
"It's a very recent phenomenon that people have told me I look like this is named Ralph Macchio," the actor says. "I can see Sheldon in my hair is often like his style of hair." The Big Bang Theory star also has celebrity doppelgangers, including Perez Hilton and Philip Seymour Hoffman.
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