Nirmadactyl 

A flying dinosaur found in the northeastern part of the United States. It can be distinguished by its distinct call, "achoo," and/or loud singing

Nirmadactyl: ACHOO ACHOO ACHOO ACHOO ACHOO
Caveman: Watch out for that Nirmadactyl!

Nirmadactyl by Poojasaurus Rex December 5, 2010

niggadactyl 

they be swoopin'! :O

swoop swoop niggadactyl!

niggadactyl by ratatat May 7, 2008

Ninjadactyl 

A teredactyl that has been tamed by ninjas.
It shoots fireballs and Ninja paratroopers fly off of them.

"OMG ninjadactyls are everywhere...run for your lives!!!!!!!!"

Ninjadactyl by bubbatheninja January 13, 2009