When you're on a faster paced dating app, like Tinder or Bumble (which don't have usernames, they display Facebook first name), it's more beneficial to be a tad outrageous, in an effort to grab her attention.
And definitely ignore corporate Thinking up a great username for dating can, and should take time.
As a Personal Dating Assistant, my team & I have helped hundreds of guys come up with the best dating user names. I've worked with guys who had some of the funniest usernames (Kosher Casanova).
I've managed profiles with cool usernames (Steve Mc Dream). Not to mention it uses alliteration as a stylistic device, containing repeated sound of the first letter across both words. If true to his name, captain obvious isn't telling us anything we can't already see from his bulging mirror gym pics.
The reason we chose a fairly attractive test photo, was to make sure we would get enough unsolicited inbound interest, so we could compare the amounts.
(note, we also tried this test with a few less attractive guys. Most notable is the clever username encouraged almost twice as many profile views & likes on match.com, when compared to the Generic username.
Or more likely, a picture on a dating profile is perceived by women as inherently lower status when compared to the same picture by itself.