|Show:||Life With Derek|
|Age:||Season 4: 18|
|Portrayed by:||Joe Dinicol|
|Girlfriend||Casey McDonald (From episodes: No More Games - before Vacation With Derek)|
Truman was kicked out of his old school for stealing a car from one of the teachers. So he came to Casey's school where he instantly fell in love with her. Truman is like Derek, he comes up with plans to get a girl. Like getting her jealous.
Truman rates all the girls in his grade out of 10 and gives Casey a 6 1/2. Not beacuse she wasn't pretty though. He did it so she would start noticing him. Which is when Casey then started having dreams about him and develops feelings for him. Soon after they start dating, they break up in the episode Truman's Last Chance and get back again in Surprise. However they broke up yet again before Vacation With Derek.