What, in your opinion, is Richard Dreyfus's signature role?!

Question: What, in your opinion, is Richard Dreyfus's signature role!?
Answers:

Close Encounters of a Third KindWww@Enter-QA@Com

dillinger as (baby face nelson) He was a gangster Opeth~~~>Www@Enter-QA@Com

As Elliot Garfield in "The Goodbye Girl"Www@Enter-QA@Com

Being the same insane therapist he played in What About Bob!.Www@Enter-QA@Com

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