These are my personal favourite names that I have seen online.  
Billy The Kid Harry Potter Bruce Lee wankerrrrrrrrrrrr Hu Flung Dung 
Yu Flung Dung Mi Flung Dung FlyingDildoSuperstar Pleb Play Shition 4 Whinnie-the-pooh Cannon Fodder D4rk_M4tter †SpOoKiэ Viяus† Lightning MyQueen LadyCroft Mario [iAm]SpOok Coffee H5N1 Δ RΔIN Δ SirSubSunic Dead Man Walking SeRiaL KiLLer $Trollbot$ oh.god lowSk!ller catholic boy in heavy leather ANAL CUNT No' S E X 4ft3r Burn3r™ Møиѕтeя_Błøød rusty knob SomrbodySmokedMe God'sGift ··Jumper··²°¹² Hitler Did Nothing Wrong ThUgLiFe#GaNgStaRr#Girl#StOnEd# MajorHardon DocDeath©™ Ebola StinkyNutMonkeySmuggla KingYoloMcTitty Pink Fluffy Unicorns aCrazyHobo Obe Wan Shinobi Dead.Again