It's actually a long story, but I'll keep it short.
Me and a bunch of my friends are making a video game (still are!!)
We created an original character named Masashi Kubo.
I love him so much, so I stole his name.
Masashi means graceful, purpose, elegant, will.
Kubo means sunken ground.
The character has an extreme lack of foresight and even though he is a professional kidnapper, he's extremely naive and childish.
He's adorable.
Again, I love him so much, so I stole his name.
Now I'm Aceashi Kubo.
Aceashi doesn't have a meaning, I literally used my name (Ace) and slapped it onto ashi.