How's your Latin? (just kidding)

Try not to Google this one - just figure it out:
What are the following species designations referring to? (they're all referring to one thing)
* Famishus vulgarus
* Eatius slobbius
* Hardheadipus oedipus
* Carnivorous slobbius
* Evereadii eatibus
* Apetitius giganticus
* Hungrii flea-bagius
* Overconfidentii vulgaris
* Caninus nervous rex
* Grotesques appetitus
* Nemesis ridiculii