Lets's have some suggestions for names for a betta. I am thinking of calling mine (I have had my male for almost 2 months, and thought about calling him earl the pearl, or earl of pearl).
What about a name from Thailand (formerly Siam), so you can think of him as Siamese?
There are a lot of baby name sites out there that list by country of origin, if you're interested in doing this. For example, the name Niran means eternal.
I like one syllable people names...Tim, Sam, Hank, Ty, Dale, Dax, Clyde, etc (all names of bettas my roommates or I have). They are easy to remember, and they seem to fit with my bettas.
I also had one named Neptune, which works on many levels .