Banning them is fine, but if you make images like this they will keep coming
When I was still in MSMG (before it became a homophobic troll infested (sh*thole), they had a similar troll problem, foreshadowing to how they are now ig. They got rid of the follow trolls by ignoring them, posting or commenting about them was against the rules.
When they stopped getting responses the following trolls stop