ITT: similar Pokemon that aren't officially counterparts

Toxapex and Ferrothorn
Lucario and Lopunny

Ferrothorn line & Tsareena line
>Durian & Mangosteen
>King of Fruits & Queen of Fruits

Druddigon as a third wheel to Drampa & Tortunator
>Dragon
>Same BST

guzzlord and zygarde

>>31556181
>Lunatone and Solrock
They are Version Exclusives in Hoenn. Solrock has higher Attack and Defense while Lunatone has higher Sp. Attack and Sp. Defense.

>Lucario and Lopunny
While they share a lot of things like Egg Groups, a weakness to the Fighting-type, same evolution method, and even have Mega Evolution, they can't be Counterparts with Lucario's 87.5/12.5% and Lopunny's 50/50%.

>Clefairy and Jigglypuff lines
Both are slow Fairy-types with Cute Charm as regular ability, Clefable is bulky with Unaware while Wigglytuff has high HP, both need a Moon Stone to evolve and also have a baby form that evolve by Friendship, in Alola Clefairy is found at Night while Jigglypuff is found on Day.

>Alakazam and Gengar
It should be Alakazam and Machamp but these two have a lot in common than Machamp: Highest stats are Sp. Attack and Speed while being fragile as fuck, each one is weak to one of the others' STAB, both evolve by trading, both can Mega Evolve, both are the best representant of their typings (Alakazam: Psychic, Gengar: Ghost).

>>31556280
>>31556792
Ferrothorn and Forretress
>>31556803
Guzzlord 0% Forme when?