Is there a way to edit my Username?

[PikachuLPer]

I really want to change my username because it would be confusing if my name would be TheDanielh05 but on other Forums its PikachuLPer so i want to change it to PikachuLPer but dont know how. Any Reply is an Help 

[Zero-G]

i could change it for you,i rather do that instead of you making multiple accounts opnly if you promise me to not have an gigantic signature picture.gotta think about mobile users bandwith and it also looks rly stupid   

[PikachuLPer]

i will right now make it smaller 

[Zero-G]

ok done

[PikachuLPer]

thanks