Lemme create a reply here so we'll know which and what mons have been suggested :3!
- Aggron
- Arcanine
- Bayleef
- Braxien
- Charizard (Volup)
- Eevee (Muscle)
- Eeveelutions
- Flygon
- Froslass (Breast),
- Garchomp
- Gardevoir
- Gyarados
- Houndoom
- Incineroar
- Lapras (Belly)
- Liepard
- Litten
- Lucario (Mega Form) (Bottom Heavy)
- the Lycanroc series
- Mawile
- Meganium
- Mienshao
- Mightyena
- Milotic (Bottom Heavy/ Weight Gain)
- Noivern
- the Ninetales series
- Poochyena
- Primarina
- Quaquaval
- Rattata (Breast)
- Salamence
- Salazzle
- Tyranitar
- the Typhlosion series
- the Vulpix series
- Wooloo
Bosses (Mostly legendaries & mythicals :3)
- Mewtwo
- Mew
- Kanto birds
- Suicune
- Lugia
- Arceus
- Reshiram
- Xerneas
- Yveltal
- Solgaleo
- Lunala
- Koraidon
- Miraidon