Online handle/username for just about everything is what you see as my former one aged like milk quite poorly
I came to use my current name as follows:
I used to use LOSTxPROPHIT (Lost Prophet), which I got from an online xbox gamertag generator in 2009 as 12 year old me wanted something that sounded "cool and awesome" as all young kids typically do for online names, and I used it until several years ago, as a Welsh rock band that I'd never heard of until around 2014 or 2015, dubbed Lost Prophets, had their Lead singer be convicted of an absolutely disturbing crime (you can find out yourselves if you wish, as I don't want to upset anyone who may have gone through similar experiences), and people would often, from time to time, associate the two, but wouldn't really believe me when I told them that my name was just a coincidence and was absolutely unrelated.
And so current one that I use for almost everything now, Isadoorian, comes from the old nickname one of my grandpa's used to call me by, Isadoor (Is a Door); As when I was much younger I'd be right in front of the TV when he was trying to watch something, mainly hockey, and he liked to have the volume quite high, so he'd be hollering at me to get out of the way but I wasn't able to hear him.
"He's not a window, so he's gotta be a door!"
and that's how Isadoorian was born.