He actually played a Japanese guy, and I believe there's a brief video on the current Blu-rays and DVDs that explain how "wrong" it was.
It is actually a rather offensive caricature. I don't know why they decided to go with Rooney as a Japanese guy saying "Mis Go-Right-ree". It was a dated stereotype even then. But I don't lose any sleep over it.
looks like Psycho is on the chopping block
Did they get to this one yet?
Next in line for internet eradication...