Just one of a few names I use on internet boards, based on character names I made up for short stories I used to write in high school.
"Crash Frog" was originally an anthropormorphic amphibian superhero who would survive any impact, at any speed. Had a little crash helmet and everything.
I've been on the internet long enough to understand that handles that have numbers in them are hella lame, so using words that people don't generally associate with names is an old habit of mine. I've been known as "tangent", "pangolin", and once, "dysentary".
Sorry that the story is so boring.