The first Pokemon Ash caught, as well as the first Pokemon he evolved.
"What/who is Caterpie?"
When a card isn't an Energy or a Pokemon, it's categorized as this type.
"What is the Trainer type?"
Originally only 15 in the first generation, there are currently 18 of them.
"How many (Pokemon) Types are there?"
Shortened to "STAB", this gameplay mechanic increases the Base Power of attacking Moves when their typing matches the type of the Pokemon using the Move.
"What is Same Type Attack Bonus?"
This popular N64 game allowed players to import Pokemon from their handheld games and do battle.
"What is Pokemon Stadium?"
Ash encounters this recurring character in the Sinnoh region; a callous trainer with a bad habit of blaming his losses on his pokemon being innately weak.
"Who is Paul?"
"Flip a coin. If heads, search your deck for a Pokémon, reveal it, and put it into your hand. Shuffle your deck afterward."
"What does Pokeball do?"
Elite Four member turned League Champion, this trainer teams up with the player to invade the Team Rocket HQ.
"Who is Lance?"
The full name of the group behind Pokemon Showdown, commonly shortened to "Smogon".
"What is Smogon University?"
This game for the Gameboy Color lets you catch and evolve Pokemon.
"What is Pokemon Pinball?"
In the first episode of Sun & Moon, Ash is gifted a Z-Ring from this Pokemon.
"Who/what is Tapu Koko?"
Despite existing on cards, this Pokemon Type has no Basic Energy cards associated with it.
"What is Dragon Type?"
This Pokemon was artificially constructed to fight Ultra Beasts, but was ultimately dubbed a failure and had its name changed.
"What is Type:Null?"
Introduced in the 4th Generation, this Move quickly became the most popular and meta-influencing Move for competitive Singles.
"What is Stealth Rock?"
This series of games has all of the dialogue spoken by the Pokemon themselves.
"What is Pokemon Mystery Dungeon?"
Prior to "Rematch at the Nacrene Gym!", Episode 16 of Black & White, the first episode of the original series was the only episode these characters did not appear in.
"Who are Team Rocket?"
"Who is the Team Rocket Trio?"
"Who are Jessie, James, and Meowth?"
A special subtype of card, you may only have a single card of this subtype in your deck.
"What is ACE Spec?"
Rather than "Gym Leader", the boss-trainers of the Alolan Islands use this title.
"What is Kahuna?"
Until Hidden Abilities were introduced in Gen 5, this Pokemon had the dubious honor of being the first baby Pokemon the be banned to Ubers.
"What/who is Wynaut?"
This spinoff series began in 2009 as WiiWare, with its success leading to multiple games on the 3DS, and its most recent sequel available on Android/iOS.
"What is Pokemon Rumble?"
This Pokemon is the first Shiny Pokemon to appear in the anime (and is subsequently captured by Ash).
"What/who is Noctowl?"
This card from the Base Set was so powerful and strategy-warping that it was never reprinted (outside of reprints of the Base Set).
"What is Super Energy Removal?"
It took nearly two decades before a Gym Leader specializing in this type appeared.
"What is the Dark Type?"
In the history of Pokemon Showdown, no other pokemon has dominated and defined the OU tier like this Pokemon did (and continues to do) in Generation II Competitive Singles.
"Who/what is Snorlax?"
Released for the GameCube, this Virtual Pet game revolves around watching fake TV shows like "Slowpoke's Weather Report" and "Pichu Brothers".
"What is Pokemon Channel?"