I think JF would be the safest choice for next.
In terms of swapping out RH, I would try it and see how it goes. Both swapping and and keeping RH have merit, so I would let each run for a few days and see if the difference is noticeable. JF might have a slight edge though due to his speed, but I suspect it’ll be fairly even. In which case pick the one you feel like staring at for the next few days every so often and let it ride
That being said I personally might pick Anzogh. I think he’s under appreciated simply because he’s not devastating, but he can be useful and I have a tendency to prefer variety. If you need a less rational reason, admittedly the last one was shaky at best, it’s hard to argue with a person who carries a dinosaur sized pizza cutter on their back. Heck of a way to go …