I think the last time I tried to do a GOAT list it was
1. GSP
2. Jones
3. Anderson
4. Fedor
5. Mighty Mouse
6. Aldo
7. Khabib
8. DC
After that Izzy, Holloway, Volk, Stipe, Usman, Cruz, Hendo, Nog, Hughes, Cejudo, Penn etc. I'm not sure how to put'em. Fedor is an odd one too, I could see...