I can confirm that reverting name does change the name #.
Mongoose #1 (from 2013) is now Mongoose #17.
I think I will at least try to see if Fizzer will change it.
Edit: Fizzer kindly replied, but said the system is automated and the only way to do it would be to get 16 other "Mongoose" players to change their name!
After many days, the next-gen sequencing results are finally in, and the protein sequence (after signal peptide cleavage) is: GIVEMEMYCQINSPLEASECQNSEQENCER