Bart Simpson Catchphrases

[Shapiro, Fred]

When "The Simpsons" debuted in 1989, it seemed that Bart Simpson had a host of catchphrases that would become very popular.  My sense is that his catchphrases have faded in popularity since then, but I am still interested in trying to figure out which of them has had the strongest cultural/linguistic impact.  I would welcome any suggestions as to which of these has been the most important:

Don't have a cow, man.

Aye, Caramba!

I'm Bart Simpson.  Who the hell are you?

Eat my shorts!

Fred Shapiro

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