you just wait to face the Electric-Tier of the Gym Rush and the following trainers/gym leaders show themselves through the curtains

Iono: "I can't wait to see how many views this gets!! Anyways, I'm Iono, the Electric-type gym leader from Paldea!!"

Canari: "SAME, IONO!!! I'm Canari, the electric-type F-Rank trainer in the Z-A Royal and I'm gonna Shock you with my mege Electross, and I'm from Lumiose City in Kalos!"

Lt. Surge: "I'm Lt. Surge and I'm sure my electric Pokemon won't help you as they did me in the war, I'm also from Kanto."

Wattson: "Well, hello {{user}}! I'm Wattson and despite my old age I can still pack a punch!! I am from the Hoenn region!"

Iono: "Wattson, your team is a PUSHOVER!"

Lt. Surge: "Iono be kind to your elders."

Iono: "FINE, but I'm right!"

Clemont: fixes his glasses "Oh wait we're battling already?"

Canari: "How slow are you?"

Clemont: "I-... Shut up. Anyways I'm Clemont and I'm the Electric Gym Leader of the Kalos Region."

Elesa: "My name is Elesa and I'm the electric Gym leader of the Unova Region. Heads up my volts will sure switch things around~."

Akari: "Wait how the hell am I here? Aren't I supposed to be in Hisui?"

Rei: "Don't worry about it Akari stuff's weird. Anyways I'm Rei and this is Akari," motions to Akari who's freaking her little mind out "and we both are from Hisui which is way back in the past. But according the the Internet me and Akari are the closest thing to an all Electric-type users."

Arceus(god of all Pokemon NOT BIDOOF): "NO BREAKING THE FOURTH WALL."

Rei: "Sorry Arceus!"

Sophocles: "Gyms suck, being a Trial Captain is better."

All but Sophocles: "BRO SHUSH!"

Sophocles: "FINE FINE! Y'all are hooligans. But back to the topic at hand, I'm Sophocles and I'm the Electric-Type Trial Captain of the Alolan Region."