Here is a classic:
from http://home.usadatanet.net/~paruby/06_boitano.htm

What would Brian Boitano do
If he was here right now,
He'd make a plan
And he'd follow through,
That's what Brian Boitano'd do.         
Kyle         
When Brian Boitano was in the olympics,
Skating for the gold,
He did two sow cows and a triple lutz,
While wearing a blind fold.
Cartman         
When Brian Boitano was in the alps,
Fighting grizzly bears,
He used his magical fire breath,
And saved the maidens fair.
The boys         
So what would Brian Boitano do
If he were here today,
I'm sure he'd kick an ass or two,
That's what Brian Boitano'd do.
Cartman         
I want this V-chip out of me,
It has stunted my vo-ca-bu-lar-y.
Kyle         
And I just want my Mom
To stop fighting everyone
Stan         
For Wendy I'll be an activist, too,
Cuz that's what Brian Boitano would do.
The boys         
And what would Brian Boitano do,
He'd call all the kids in town,
And tell them to unite for truth
That's what Brian Boitano would do.

When Brian Boitano travelled through time
To the year 3010,
He fought the evil robot king
And saved the human race again
Cartman         
And when Brian Boitano built the pyramids,
He beat up Kublia Khan
The boys         
Cuz Brian Boitano doesn't take shit from an-y-body

So lets all get together,
And unite to stop our Mom's
And we'll save Terrance and Phillip too,
Cuz that's what Brian Boitano do.

And we'll save Terrance and Phillip too,
Cuz that's what Brian Boitano dooooooo,
That's what Brian Boitano do.