Any suggestions for a good karaoke song to sing? Something fun, please!?

I'd like to find something fun and not too hard. I sing baritone, but can sing most soprano women's parts in a lower octave.

I'd like a song that's fun, not too hard (I'm not a great soloist) and certainly not a ballad.

I do a pretty good job with Helen Reddy's "I Am Woman." It's funny when a guy sings it. I don't even have to change the key -- just drop down an octave.