Board Thread:New on Ben 10 Wiki/@comment-24268306-20131229113047/@comment-8505655-20140221022754

More likely, because people feel uncomfortable using "it" for intelligent beings, and "he" is convenient.

In any case, they certainly don't have gender in the human sense of the word: if they did, Dwayne McDuffie would not have obscured the matter with saying "Sort of" to a question about whether Big Chill is female. To which I respond the above.

And for the record, they are not hermaphrodites; hermaphrodites do require a partner to reproduce.