Simplify the following text for a Grade 14 native English-speaking person.
Original: Although the Greeks and Romans typically scorned Egypt 's animal-headed gods as bizarre and primitive ( Anubis was known to be mockingly called `` Barker '' by the Greeks ) , Anubis was sometimes associated with Sirius in the heavens , and Cerberus in Hades .
Simplified: Although the Greeks and Romans typically scorned Egypt 's animal-headed gods as bizarre and primitive ( they mockingly called Anubis the `` Barker '' ) , Anubis was sometimes associated with Sirius in heaven , and Cerberus in hell .