Lately i've been drawing pages from the attack on titan manga, except with pokemon, because uhh who knows! but its kinda fun :) Here on this page i'll list the exact chapter & page number each page is based on.

Season 1:
Ch. 1: Page 51 - That Day
Ep. 2: Anime Scene - Armoured Aggron Appears
Ch. 3: Page 41 - Charmeleon vs Colossal Ampharos
Ch. 7: Page 31 - Rogue Charizard Appears
Ep. 9: The Rogue Charizard (ANIMATED)
Ch. 22: Page 35 - Female Blaziken Appears
Ch. 22. Page 41 - Armin and the Female Blaziken
Ch. 30: Page 18 - Captain Lucario vs Female Blaziken

Season 2:
Ep. 26: Anime Scene - Beast Slaking
Ch. 42: Page 42 - Mega Charizard vs Armoured Aggron
Ch. 49: Page 33 - Commander Gallade vs Ampharos
Ch. 50: Page 32 - Smiling Mr. Mime Returns

After this point there are manga spoilers, be warned!

SPOILERS:

Season 3???????
Ch. 58: Page 31 - Captain Lucario vs Central Military Machoke
Ch. 63: Pages 13-14 - Doctor Alakazam vs Queen Gardevoir
Ch. 74: Page 28 - Captain Lucario vs Aggron


Human cast:
104th Cadets:
Eren:                     Charmeleon
Mikasa:                 Lopunny
Armin:                   Victini
Annie:                   Combusken
Sasha:                  Dartrix
Connie:                 Monferno
Jean:                    Wartortle
Christa:                 Mawile
Ymir:                    Sableye

Scouting Legion/Military Police/Wall Menders:
Levi:                      Lucario
Erwin:                   Gallade
Mike:                    Ursaring
Hannes:                Floatzel
Kenny:                  Zoroark

Other:
Rod:                     Slowking
Frieda:                 Gardevoir
Grisha:                 Alakazam
Zeke:                   Vigoroth
Carla:                   Delphox
Eren:                    Decidueye
Galliard:               Marshtomp
Pieck:                  No idea
Falco:                  Larvitar


Titan cast:
Rogue Titan:         Rogue Charizard X
Colossal Titan:      Colossal Ampharos
Armoured Titan:    Armoured Aggron
Female Titan:       Female Blaziken
Smiling Titan:        Smiling Mr. Mime
Ape Titan:             Beast Slaking
Dancing Titan:       Dancing Sableye
Usurper Titan:       Mega Alakazam
F-Founding Titan:  Mega Gardevoir
Abnormal Giant:    Slowking
Cart Titan:             No idea
Jaw Titan:             Mega Swampert
Owl Titan:             Noctowl
W-Hammer Titan:  Executioner Gallade

Basically each titan is a fully evolved pokemon and the titan shifters are mega pokemon.

I will update these lists whenever I draw a new page

If there's a particular manga page you really wanna see done with pokemon, feel free to mention it :) Can't promise anything though, bye!