common

[PaperStriker]

Chain Chomp

Both bark.

 

[crystalking]

yellow underchomp

both chain chomps

 

[PaperStriker]

Blue Underchomp.

Both Chain Chomps. :P

 

[crystalking]

goomba

both mario enemies

 

[PaperStriker]

Toad.

Both are mushrooms.

 

[crystalking]

peach

both are annoying :|

 

[PaperStriker]

Daisy.

Both are not annoying princesses.

 

[crystalking]

king mario

both have crowns

 

[PaperStriker]

King Luigi.

Both are brothers of each other.

 

[crystalking]

Mr. L

alter ego

 

[PaperStriker]

Bowser.

Both are green and mean. :O

 

[crystalking]

kooplings

both are koopas

 

[PaperStriker]

gombas

Both are misspellings.

 

[crystalking]

paragoomba


both from the goomba family

 

[PaperStriker]

Paratroopa.
*ahem*
Both can fly! Weeeeeeee!

 

[Smiddle]

Paradox

Both contain "para-", which is a Greek prefix roughly meaning "aside".
"Paradox" means "aside from the believeable" or something like that.

 

[crystalking]

both start with p

 

[PaperStriker]

Cosmis Luigi

Both are annoying.

 

[YoshiSon24]

Aw, do I even need a reason? They're the same Luigi.

 

[PaperStriker]

They're both brothers of a plumber.

And Cosmic Luigi and Luigi aren't teh same Luigi.

 

[Smiddle]

Alice in da Wonderland

Both get huge when they eat shrooms.

 

[PaperStriker]

Alice inspired Shiggy, in fact.

Rosalina's story. Both tales.

 

[Smiddle]

Alice inspired Shiggy, in fact.

Shhhhhh ...

"Albuquerque" by Weird Al.

That's a story, too.

 

[PaperStriker]

Quinquaginta quinque (Latin for 55)
Both have many Qs.

 

[Smiddle]

Quattuor Insulae Distinctae

That's the name of an Impossible Creatures map I made. It's in Latin too.