Meagan/Starfire=They both are the Happy, Perky, pretty optimists.
Artemis/Raven=They are the cynical pessimists
Wally/Beast Boy=the joking slacker goof balls
Robin/Cyborg=the fun loving tech experts who are the best friends of the joking goofball slackers.
Aqulad/ Robin=the intense brooding leaders
If you want to find a match for Superboy your on your own.