The word "Cerberus" itself is not copyrighted, as copyright protects original works of authorship, not individual words or names. However, "Cerberus" could be trademarked if used in a specific context, such as branding for a product or service. Trademarks protect names and symbols that distinguish goods or services in commerce. Always check for specific trademarks in your jurisdiction if you're considering using the term.
No, Cerberus was immortal.
Cerberus was born of Echidna and Typhon.
Cerberus is a three headed dog belonging to Hades. No, Cerberus has never been married.
The Roman and Greek names were the same: Cerberus.
Most popularly featured in the labors of Hercules.
Literature...good luck with your homework!
No it is not.
Who would have the rights if it was?
No. It's "copyright."
Copywrited
Cerberus has one brother, the Hydra
No, Cerberus was a gift to him.
No, Cerberus was immortal.
Zeus is Cerberus' father.
what are cerberus symbols
The Underworld is guarded by Cerberus.
I don't think you can.