No character evolved more on 90210 than Navid. He went from your basic tech geek to someone mature enough to propose to Adrianna and offer to raise her child.
Tabitha: Now I have to reconfigure all my maths. Dixon, if I want to be... 54, how old do I have to say I was when I had your father now that he has a 25-year-old son he conceived when he was 18? Dixon: Eleven. Tabitha: Hum... that's a little unseemly.