B2W2's Gym Leaders Confirmed

The cover page for the official Black 2 and White 2 guidebook has confirmed the eight Gym Leaders of the games (in counterclockwise order): Drayden, Clay

Pokémon Black 2 & Pokémon White 2 - Gyms

New Nimbasa City Gym - To Gym 4 - Main Walkthrough, Pokémon: Black & White 2

Gym Leader/Pokémon Trainer Redesigns / X

Pokémon Black 2 & Pokémon White 2 - Gyms

Story Plot Leak - Gym Leaders and teams from Smogon forums : r/PokeLeaks

Unova Gym Leaders - Pokemon Black 2 and White 2 Guide - IGN

Pokemon Black - Playing Every Game From Every Pokemon Generation In Order - Part 4 - Blind

A meme but also Pokelore. Minor spoilers about a character's family for Indigo Disc DLC : r/PokemonMasters

Pokémon Black 2 & Pokémon White 2 - Gyms

Theme Talk] Gym Leader Requirements! : r/pokemon

Pokémon Sword & Shield - League Card Album

6th Gen - Gym Leaders and Elite Four, Page 28

Pokémon Black 2 and White 2 - Wikipedia

White 2 Playthrough Journal, episode 4: Sex, Drugs and Pokémon – Pokémaniacal

Theme Talk] Gym Leader Requirements! : r/pokemon