(Great now I'm copying people again)

NOTE: All mon-centric lists only have one Pokemon per evolutionary line. Eeveelutions work because each evolution of Eevee is in its own seperate line, branching from Eevee.

POKEMON

(Top 15)

1. Dusknoir (Ghost) [IV]
2. Grovyle (Grass) [III]
3. Pikachu (Electric) [1]
4. Rayquaza (Dragon, Flying) [III]
5. Krookodile (Dark, Ground) [V]
6. Litwick (Fire, Ghost) [V]
7. Articuno (Flying, Ice) [1]
8. Ampharos (Electric) [II]
9. Infernape (Fire, Fighting) [IV]
10. Crawdaunt (Water, Dark) [III]
11. Azumarill (Water, Fairy) [II]
12. Honchkrow (Dark, Flying) [IV]
13. Umbreon (Dark) [II]
14. Scrafty (Fighting, Dark) [V]
15. Roserade (Grass, Poison) [IV]

GENERATION

(Top 5 from each, except Gens 6 and 7 will only have top 3 as I've only played the games through Gen 5 at this point.)

• Gen 1- Pikachu, Articuno, Dugtrio, Clefable, Vileplume
• Gen 2- Ampharos, Azumarill, Furret, Umbreon, Espeon 
• Gen 3- Grovyle, Rayquaza, Crawdaunt, Breloom, Shedinja
• Gen 4- Dusknoir, Infernape, Honchkrow, Roserade, Starraptor
• Gen 5- Litwick, Krookodile, Scrafty, Bisharp, Snivy
• Gen 6- Sylveon, Doublade, Heliolisk
• Gen 7- Guzzlord, Palossand, Vikavolt
• Gen 8-

Type

(Top 3 from each)

• Fire- Litwick, Infernape, Typhlosion
• Water- Crawdaunt, Azumarill, Starmie
• Grass- Grovyle, Roserade, Vileplume
• Electric- Pikachu, Ampharos, Luxray
• Poison- Roserade, Vileplume, Scolipede
• Bug- Scizor, Vikavolt, Shedinja
• Steel- Bisharp, Lucario, Doublade
• Rock- Tyranitar, Lycanroc, Aggron
• Ground- Krookodile, Dugtrio, Palossand
• Fighting- Infernape, Scrafty, Lucario 
• Psychic- Espeon, Starmie, Gallade
• Dark- Krookodile, Crawdaunt, Honchkrow
• Ice- Articuno, Weavile, Froslass
• Ghost- Dusknoir, Litwick, Palossand
• Flying- Rayquaza, Articuno, Honchkrow
• Dragon- Rayquaza, DIalga, Guzzlord
• Normal- Starraptor, Furret, Munchlax
• Fairy- Azumarill, Sylveon, Clefable

Favorite and Least Favorite Types, Regions, and Overall Generations

(All are Top 3)

Favorite Types: Dark, Ghost, Electric

Least Favorite Types: Rock, Bug, Poison

Favorite Regions: Sinnoh, Hoenn, Unova

Favorite Generations: Gen 4, Gen 5, Gen 3