A quick doodle of Jack Spicer:
He was from Xiaolin Showdown - a show that was on when I was around 14, which I really liked. It was the first animated show I had seen where they had a main character (Kimiko) in a new outfit every episode, sometimes going through a few different ones per episode. That impressed me.
The designs in the show were quite eye-catching, and I especially like Jack's design - it really made him stand out.