What do the two Pokemon above have in common?

[Jyo]

Both are second gen Pokemon

Espeon

 

[Lightning Flame Blast]

Both are quadrupeds.

Electivire

 

[Isaac the Investigator]

Both start with E.

Magby.

 

[Lauralegal]

Both gained Babies.

Cosmog

 

[Juliko]

They're both weak Pokemon.

Mew

 

[Isaac the Investigator]

Both Psychic legendaries

Feebas

 

[Sightnado]

Both have specific items that are completely useless with other Pokemon (for Mew, Mewnium Z, for Feebas, Prism Scale)

Turtonator

 

[Lightning Flame Blast]

Both are based off creatures that live in the water (feebas is a fish, turtonator is a mata mata turtle)

Lickitung

 

[Acrobatic Crobat]

Both are bipedal.
Nidoking

 

[Vulpix037]

Both were introduced in Gen I.

Magnezone

 

[MegaPod]

Both are the fully evolved form of a Kanto Pokémon.

Bronzong

 

[Max1996]

Both are part Steel-Type.

Palkia.

 

[Vulpix037]

Both are Steel types introduced in Gen IV.

Togekiss

 

[Isaac the Investigator]

Both from the greatest generation of Pokémon

Jangmo-o

 

[Sightnado]

Both are part of a three-stage evolution chain.

Bulbasaur

 

[Lightning Flame Blast]

Both come from odd numbered generations.

Pangoro

 

[Isaac the Investigator]

Both dual typed

Heatmor

 

[Sightnado]

Both know Tackle at Level 1

Pikachu

 

[Jyo]

both have something colored red on them

Mienfoo

 

[Rainami]

their strongest attacks (volt tackle and high jump kick) both potentially have recoil

drapion