This Pokémon has 20 different forms, one of which is event-exclusive.
What is Vivillon?
These are TWO of THREE fully-evolved Water-type Pokémon can have the Ability Thick Fat.
What are Dewgong, Azumarill, and Walrein?
In the anime, this is the only one of Team Rocket's Pokémon that has used the move Will-O-Wisp. (Both the trainer and Pokémon are required.)
Who is James's Yamask?
<<DAILY DOUBLE 1-1>>
(reminder to the host to change the scores and reset the buzzers)
This starter Pokémon evolves into its second stage at Level 18, and evolves into its final form at Level 30. (Any evolution stage is acceptable.)
What is Totodile/Croconaw/Feraligatr?
These are TWO of FOUR moves that can only be learned through events.
What are Happy Hour, Celebrate, Hold Hands, and Hold Back?
These are the THREE Pokémon who appear in the highest number of anime episodes.
Who are Pikachu, Meowth, and Wobbuffet?
Team Rocket's Meowth learned to walk upright and talk in the human language in this city.
Where is Hollywood?
This Pokémon Professor has a card with the following effect:
"Draw 2 cards. During this turn, your Pokémon's attacks do 20 more damage to your opponent's Active Pokémon (before applying Weakness and Resistance)."
Who is Professor Kukui?
These TWO Pokémon are tied for having the highest Defense stat of all Water-type Pokémon, with a base stat of 180. (One of them is a Mega Evolution.)
What are Cloyster and Mega Slowbro?
In Pokémon Omega Ruby and Alpha Sapphire, if the player has Steven's Shiny Beldum in their party during the Delta Episode, Steven will make a reference to this anime-exclusive character.
Who is Alain?
These are TWO of THREE Pokémon that, in Pokémon Scarlet and Violet, evolve after walking 1000 steps in one session in Let's Go! mode. (For each, either evolution stage is acceptable.)
What are Pawmo/Pawmot, Bramblin/Brambleghast, and Rellor/Rabsca?
This villain has a card in the TCG with the following effect:
"Shuffle your hand into your deck. Then, draw a number of cards equal to the number of Benched Pokémon (both yours and your opponent's)."
Who is Colress?
In the anime, Reggie helped one of Ash's Pokémon learn this move.
What is Brave Bird?
In Smogon Ubers, Blissey will occasionally hold a Utility Umbrella to wall this particular Pokémon.
What is Kyogre?
An event in Pokémon Black and White allows Victini to be caught at this location.
Where is Liberty Garden?
These THREE legendary trios are such that no two members share a type between them. (For each, either listing all 3 members or describing the entire trio is acceptable.)
What are Raikou/Entei/Suicune, Kyogre/Groudon/Rayquaza, and Xerneas/Yveltal/Zygarde?
In Pokémon Mystery Dungeon: Gates to Infinity, the player character experiences repeated dream visions. In these visions, this villainous character is present.
Who is Munna?
This person is the teacher of a Pokémon Academy in Violet City in the mainline Johto games and in White City in Pokémon Stadium 2.
Who is Earl?
This Pokémon is in the third panel of this meme from r/stunfisk, posted by u/TheLeafyGirl561.
What is Tyranitar?

This event-exclusive Pokémon is locked to the Generation IV games, making it the only obtainable Pokémon form to not have a 3D model.
What is Spiky-eared Pichu?
Zero, the villain of Giratina and the Sky Warrior, uses an army of these THREE Pokémon, all of which are in the same evolution line.
What are Magnemite, Magneton, and Magnezone?
This Psychic-type Pokémon was used by Cassidy and Botch in one anime episode.
What is Drowzee?
Salvatore, the languages teacher at Naranja/Uva Academy, shown below, Terastallizes this Pokémon in battle.
What is Raichu?
In CHAMPION CYPHER, musical artist Kez raps the following:
"Doublade we clash big big metal
_____ come dance with the devil
And my birdies be fannin' out
I don't send letters I stamp 'em out"
The second line is completed by the name of this Pokémon. (It is referenced in the second and third lines.)
What is Oricorio?