Like other series villains, Team Yell Y-poses to assert dominance at the start of battles.
I wonder if Game Freak was constrained by this fact—having to come up a simple team pose that matches the name's first letter—when deciding on the team's name.
High resolution artwork new Pokémon Morpeko. Two-Sided Pokémon.
Type: Electric / Dark
Ability: Hunger Switch
Yellow Morpeko is Full Body Mode and the purple is Hangry Mode. Its form changes "each turn," and when Hangry its signature move Aura Wheel turns into a Dark-type move.
Meet Team Yell! Yes, the antagonist team of Pokémon Sword and Shield are football hooligans. They are die-hard fans for Marnie. They "take over hotel lobbies, prevent other challengers from accessing transportation, etc.
They'll show up "out of nowhere" to cheer Marnie, too.
Artwork of another new rival, Marnie. Her partner is Morpeko, the new Electric rodent with a Dark side. She hopes to become the Champion "in order to accomplish a certain goal."
Artwork of the new rival, Bede, as well as an in-game screenshot.
Like Leon, Bede received the endorsement necessary to start the Gym Challenge from Chairman Rose. Apparently, he has "other objectives" beyond becoming Champion...