What is behind your profile names?

When you chose your profile names, why did you select the ones you are currently known by?

I chose Chinese_Person because it describes who I am and I had nothing better to come up with.

same

honestly, i have no idea. it's not like i adore cats or anything.

i main ness, and get toxic at some times

i came up with my name because i came up with my name

@mew7777 because I like the pokemon mew and I just added 7777 because I couldn't do mew

it has a meaning, like an abbrv.

Felis domesticus means cat, and I like cats.

Yeah i Chose my name because it was a good name

My name

Ok 

I always oof. nothing special.

What about the 600?

This is behind my profile name... 

My  gmail numbers.

*Nothings* is behind my username 

Lol

lol

...

whats the abbreviation for?