Crazy Comparisons

[BigDocFan]

Phanpy, both are Pokemon that have left Ash's team on the Pokemon anime and rejoined for a significant period of time

 

[Die-Hard Dragon Devotee]

Hippopotas, both can learn a Water type attack, Water Gun for Phanpy and Water Pulse for Hippopotas, despite both being Ground types and disliking water.

 

[BigDocFan]

Jigglypuff, both have a running gag in the anime that involved putting people to sleep

 

[toastghost]

clefairy, both are gen 1 normal turned fairy types that evolve with a moon stone

 

[GelpyK]

Skitty, both have an item based on them that guarantees escape from a wild encounter

 

[czl]

cyndaquil, same eyes

 

[Die-Hard Dragon Devotee]

Sandslash, both share the word Mouse Pokemon as at least part of their species' names and both somewhat resemble echidnas and porcupines.

 

[TheGoldenToon]

Excadrill, both are ground type Pokemon with long sharp claws for digging.

 

[toastghost]

lucario, both are mammalian steel types when the type is known for being primarily objectmon

 

[guzmania]

lugia. they're two of the most popular mon from their respective generations, but have historically received a lot of flak from the community for their type combinations, which a sizable amount of people deem unfitting for their lore.

 

[Pasio]

Kyogre. They can both create storms for hilariously long periods of time. Lugia's dex entries mention how it can create 40 day storms.

Kyogre can technically create infinite day storms just by showing up. Only thing stopping it is someone taking it out.

 

[GelpyK]

Sharpedo. It also has a custom surfing animation in ORAS

 

[Die-Hard Dragon Devotee]

Hydreigon. They're both Dark types who are classified as Brutal Pokemon.

 

[JollyYoshi]

Darkrai. The digits in their Pokédex number both add up to 14

 

[toastghost]

gengar, both are associated with nightmares

 

[Die-Hard Dragon Devotee]

Bellossom, they both lose height when they evolve.

 

[GelpyK]

Alakazam, both gained 10 base stat points in gen 6

 

[TheGoldenToon]

Kricketune, both have impressive mustaches.

 

[Okido]

Toxtricity — both of them have a part of their body that functions as a musical instrument.

 

[guzmania]

Morpeko also possesses a unique type combination, was introduced last generation, and has a unique BST.