Nackadactyl
A Nackadactyl is a smelly winged nac that came out of the Jurassic period and lives in southern California. It lies like it's on fire and tells tales that are so bad they make your brain hurt.
My cousin saw a Nackadactyl at the mall and now he thinks he's a rockstar.
My neighbor's dog ran away because a Nackadactyl told it it was ugly.
My teacher said a Nackadactyl was in the classroom and now I have to do 100 push-ups.