I have a few OTPs. Here's why they are my OTPs.
TrunksxMarron- First of all, they're cute! Their hair colors (Purple and Yellow) are complimentary colors. There's only a four years (10 less than TrunksxPan, which I hate!) difference. Their personalities work well together, too.
RussiaxBelarus- Too many people complain about this pairing, which is sad. "Eww, they're siblings! It's not yaoi, so it sucks! I want to look at Russia having sex with China or something!" You know...