The famous cousin of Theseus was the hero, Hercules/Heracles.
Hercules (his cousin)Pirithous
Hercules, Hercules' father was Zeus
In Wikipedia, it says Theseus looked up to Heracles, who was his cousin brother. But I am not sure if it's true or not
Theseus was famous for killing the vicious, fierce and colossal minotaur. He went into the labyrinth, and came out safely with the help of a princess.
Killed the minotaur
Theseus kills a few creatures in Greek myth, but the most famous is the Minotaur.
Polyphemus .
Theseus was one of the most famous heroes. Triton was the son of Poseidon anf his wife Amphitrite.
Theseus, Perseus and Hercules.
Yes, he slayed the Minoutar Thesus was the son of King Aegeus. He was also the King of Athens and cousin of Hercules.
It is just a famous myth that most people know.
No.