According to its Pokémon Yellow entry, this Pokémon "keeps its tail raised to monitor its surroundings. If you yank its tail, it will try to bite you."
Pikachu
This electric-type signature move of Pikachu delivers 90 power with a 10% chance to cause paralysis.
Thunderbolt
Trainers starting their journey in New Bark Town must travel through Violet City and Goldenrod City before eventually climbing Mt. Silver to challenge the ultimate trainer.
Johto
Introduced in Generation VI to balance out Dragon-type Pokémon, this type is completely immune to Dragon moves.
Fairy
Pidgeot, Alakazam, Rhydon, Exeggutor, Arcanine, and a starter chosen to counter yours
Blue (or Gary)
This Pokémon's Diamond entry notes that it "has mystical powers but doesn't recall that it has used them. This is why it always looks puzzled."
Psyduck
This Normal-type status move causes the user to fall asleep for two turns, fully restoring its HP and curing all status conditions.
Rest
Located in Kanto, this coastal town is famous for its Pokémon Mansion, a high-tech Gym led by Blaine, and a dormant volcano.
Cinnabar Island
Eevee can evolve into eight different "Eeveelutions," but none of them currently represent this primary physical type introduced in Gen I that is weak to Flying, Psychic, and Fairy.
Fighting
Spiritomb, Milotic, Togekiss, Lucario, Roserade, and Garchomp
Cynthia
In this Pokémon Emerald entry, This Pokémon flares flames from its back to protect itself. The fire burns vigorously if the Pokémon is angry. When it is tired, it sputters with incomplete combustion.
Cyndaquil
Introduced in Generation I, this Dragon-type attack inflicts a fixed 40 points of damage regardless of typing or stat stages.
Dragon Rage
Located in Kanto, this coastal town is famous for its Pokémon Mansion, a high-tech Gym led by Blaine, and a dormant volcano.
Hoenn
Ground and Rock are the two types that are completely immune to damage caused by this weather condition's recurring damage.
Sandstorm
Carracosta, Archeops, Bisharp, Hydreigon, Bouffalant, and Elektross
Ghetsis
According to Pokémon Omega Ruby, "This Pokémon has a body of steel. To make its body, it feeds on iron ore that it digs from mountains. Occasionally, it causes major trouble by eating bridges and rails."
Aron
This powerful Fire-type move hits with 120 base power, but inflicts recoil damage equal to 1/3 of the damage dealt.
Flare Blitz
Known as the "City of Bridges" in Unova, this massive coastal metropolis features five distinct piers, the Game Freak headquarters, and a famous street vendor selling Casteliacones.
Castelia City
When paired with Steel, this type holds the record for having the most resistances in the main-series games, resisting 12 total types
Electric
Skarmory, Claydol, Aggron, Cradily, Armaldo, and Metagross
Steven
This legendary Pokémon's Omega Ruby entry states that it "is said to have lived in a crack in the universe deep within an alternate dimension."
Giratina
Introduced in Generation V, this priority Water-type physical move increases its power if used by a Pokémon with the Ability Unburden or when boosted by rain.
Aqua Jet
Geographically dominated by Mount Coronet, this landmass features Snowpoint City in the frozen north, Pastoria City near the Great Marsh, and the underground Grand Underground network.
Sinnoh
This type has the unique passive mechanic of granting a 50% Special Defense boost to any Pokémon of its type whenever a Sandstorm is active on the field.
Rock
Three Dragonites, Aerodactyl, Gyarados, and Charizard
Lance