Brock, the rock-type gym leader from Kanto. The first ever gym leader, and one of Ash's longest-running companions. Also, a total twunk.
Lt. Surge, the electric-type gym leader from Kanto. I definitely think there are some sparks between us.
Giovanni, the ground-type gym leader from Kanto, and the leader of Team Rocket. Talk about a bad boy

Faulker, the flying-type gym leader from Johto
Faulkner was the first gym leader I ever faced, back when I played Pokémon Soul Silver for the first time. He definitely left an impression on me.
Faulkner was the first gym leader I ever faced, back when I played Pokémon Soul Silver for the first time. He definitely left an impression on me.
Morty, the ghost-type gym leader from Johto
An incredible battler, and an incredible man. But the anime really did him dirty, and I'll never forgive them for that.
An incredible battler, and an incredible man. But the anime really did him dirty, and I'll never forgive them for that.

Elesa, the electric-type gym leader from Unova
Look, I'm a gay man. But Elesa is the serving for us, so the least I could do is give her a shoutout on this list.
Look, I'm a gay man. But Elesa is the serving for us, so the least I could do is give her a shoutout on this list.
I made this thread for @heyitsbunker, but I guess the rest of y'all can enjoy it too