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The bad boy with a soft side

The nerdy girl that gets a makeover

Cop who doesn't play by the rules

The unmotherly woman who has to take care of her sister's kids after the sister dies/moves far away/etc.

The mad scientist (a classic)

The Italian mafia guy in a suit speaking with a Brooklyn accent.

Steven Segal. Walking cliche.

Computer-nerd type

Wise-cracking jock

Ditzy blonde

The divorced dad, who has to be the hero to prove himself to his ex-wife, their daughter and his wife's new (invariably rich and successful) new husband. Something happens to the daughter, bringing mom and dad to set aside their differences. Then the dad goes around kicking a*s until he saves her in using some highly elaborate, dangerous plan. Mom and dad don't get back together, but their relationship improves. Her new husband sheepishly thanks dad and they all go off into the sunset.

The horny teenage boy dying to lose his virginity has been done at least a million times.

FONZIE!

I think the cold-hearted, b*tchy, ruthless business woman has been done to death. It leaves me rolling my eyes at this point.

the snobby/bigoting typical white guy

the hilarious-but-gets-no-girls fat guy

I'm sure I'll be adding more to this list lol