Teddy did. Roman very clearly says believe that every time. The belee dat thing was in a cartoon once. That was it, it didn't make sense then, and the fact that it has somewhat caught on
with the iwc bewilders me.
There's more to work with, if you don't like him. Writers, cartoonists, and posters should use sense if they want to harp on something Reigns does. The belee dat thing is just dumb.