Since Hawk is selling his method, i wanna puclic what i saw on reddit. I dont know if its the same method he is selling and idk if this is still working on 5.17 but its worth a try
You can clone ANY name by adding fake letters don´t know how to do it just thought i would share it. It looks weird on some sides of the client but Ingame will look the way it should be.
EDIT: i maybe dont explained right. They are not doing the Ri0t Rlot change a letter etc. They are ADDING fake letters to whatever file riot has the availiable characters and adding this: http://homoglyphs.net/this is characters that looks LIKE our latin ones like cyrilic characters.
Example: