Some of these will be obvious/common
Charizard > Fire/Dragon (regular, not mega)
Psyduck line > Water/Psychic
Doduo line > pure Normal
Geodude line > pure Rock
Chansey line > Fairy (broken but makes sense)
Scyther > pure Bug
Typhlosion > Fire/Ground
Feraligatr > Water/Dark
Noctowl > Dark/Flying
Bellossom > Grass/Fairy
Dunsparce > Ground
Snubbull line > Normal again (and not called Fairies in the dex)
Mantine > pure Water
Sceptile > Grass/Dragon
Aron line > pure Steel (regular, not mega)
Volbeat & Illumise > Bug/Fairy
and everything
>>16370270 said. I got bored looking through all the Pokemon.