Banned for toxic name?

Hi My name is Icecoon on the NA server. I had this name for around 9 years and named it after an imaginary pokemon when I was young. A few days ago I got a message that I was banned because of an inappropriate name and that I had to name change. I find that is unfair and am also worried since I have smurfs named firecoon and etc because I thought pokemon types was cool and liked butterfly pokemon as a kid. After msging support they simply stated that I was still banned and would have to namechange but I feel my name isnt offensive.
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