Gym Leaders
Sinnoh
Spin-Offs
151
Anime-Exclusive
100

This pink and blue-haired gym leader of Levincia. Just make sure to make your battle with her entertaining!

Who is Iono?

100

The blonde champion of the Sinnoh region. 

Who is Cynthia?

100

This game introduced, and was one of only two games, the Nintendo 64 microphone.

What is Hey You, Pikachu!?

100

The first Pokemon in the Kanto Pokedex. #001

Who is Bulbasaur?

100

Seen by many as one of the most annoying characters in the show, he is the younger brother to May.

Who is Max?

200

This mob boss doubles as the final gym leader of the Kanto region.

Who is Giovanni?

200
The fire-type starter of the Sinnoh region's middle evolution.

Who is Monferno?

200

This series of spin-offs sees each of the Pokemon reimagined as toys.

What is Pokemon Rumble?

200

Though it is the face of Pokemon, it is #025.

Who is Pikachu?

200

When Brock isn't fawning over a Nurse Joy, he's going after one of these.

Who is Officer Jenny?

300
She got promoted from gym leader to champion, being the current youngest champion in the series.

Who is Champion Iris?

300

The region's professor.

Who is Professor Rowan?

300

Pokemon's first forray into the open-zone genre.

What is PokePark Wii: Pikachu's Adventure?

300

This Pokemon is the first mythical, but it's last in the dex, at #151.

Who is Mew?

300

This faux-French C-Class is sure to make her presence known, and she'll do it très vite.

Who is Burgundy?

400

The first ever Fairy-type gym is styled like a dollhouse. The gym leader matches the vibe perfectly.

Who is Valerie?

400

The leader of Team Galactic.

Who is Cyrus?

400

This game introduced a new genie pokemon, making what used to be a trio, a quartet.

What is Pokemon: Legends Arceus?

400

Did you know? This pokemon is #134 in the Kanto Dex.

Who is Vaporeon?

400
Prepare for Trouble, and Make it Double is just part of the motto of Jessie, James and Meowth, but this Team Rocket duo would much prefer to just watch the world burn. 

Who are Butch and Cassidy?

500

The water type gym leader of the Sinnoh region.

Who is Crasher Wake?

500

The creation trio.

Who are Dialga, Palkia and Giratina?

500

This Wii game saw trainers tending to Pokemon, in a sort of simulator game.

What is My Pokemon Ranch?

500

You won't be needing extra of these Pokemon after leaving caves in Kanto. It's #041.

Who is Zubat?

500

Though not "anime exclusive", she gets a much larger role in the series, compared to her game counterpart, having helped stop multiple world-ending threats.

Who is Bonnie?