Who's That Pokémon
Legendary/Mythical
In Motion
Fan of Etymology
Generational Trauma
100
This Pokémon is a water type sold to the player in red and blue, its well known for being weak until it evolves at level 20.
Magikarp 
100
The Legendary Guardian of the sea, who is not water type.
Lugia
100
With a base power of 40 most fire type starters learn this move very early.
Ember
100
This fan made term describes a rare colour variant of a Pokémon.
Shiny
100
The Pokémon Skamory was introduced in this Generation of Pokémon.
Gen 2
300
This fire type Pokémon's appearance is determined by it's gender, it is native to the Kalos region.
Pyroar
300
This Member of a legendary trio became a member of quintet, It was crafted out of Rock.
Regirock
300
This Move Halves the damage of physical attacks for 5 turns for allies.
Reflect
300
This Pokémon can evolve into 1 of 9 different Pokémon, the Fan term for these Pokémon is?
Eveelution
300
This generation introduced Weather conditions, Pokémon contests, and 135 new Pokémon.
Gen 3
500
This bug type Pokémon famously evolves at level 59.
Larvesta
500
The latest Mythical Pokémon to have been released.
Pecharunt
500
This HM is given to the player after massaging an old mans back.
Cut
500
The name of a controversy leading u to the release of of Pokémon sword and shield.
Dexit
500
This generation is made many moves unusable/ removed them.
gen 8
1000
This pre-evolved Pokémon's hidden ability is Grassy Surge.
Thwackey
1000
This legendary Pokémon's design was inspired by the fictional character Porthos one of Alexander Dumas's Three Musketeers.
Terrakion
1000
This move sets up the Snow weather condition.
Snowscape
1000
The theorized name of Snivy before the official name was released.
Smugleaf
1000
Pokepark 2 was released within this generation.
Gen 5
2000
This electric type Pokémon :)
(you may have 3 guesses)
Rotom
2000
This Mythical Pokémon made a cameo appearance in One piece chapter 980: "Fighting Music"
Meltan 
2000
This is the Signature Z move of Mimikyu.
Lets Snuggle Forever
2000
Referring to the slow speed stats of Pokémon introduced in the Alola region
Aslowla
2000
The Industry plant Zereora made its debut in this Generation
7