[Solved] Clan Name

I have a problem i want to create a clan and i want to add this characters » ™ and when i press create i get this problem Special character not allowed except these :a-z, A-Z, 0-9, !@#$%&*<>()_+-=*[]{}?).<> but i started searching clans with this characteres and i found alot with the TM and here i founf 1 with the arrows » iPøÐ ™


Please tell me if i need to write something before or something like that!

*Last summer