underwood
Annabeth's last name in the series of Percy Jackson and the Olympians is Chase.
dingberry
Book 5: Percy Jackson and the Olympians: The Last Olympian
Clarisse De Rue is her full name.
Luke's last name is Castellan in the Battle of the Labyrinth, and in all the other books in the Percy Jackson and the Olympians series.
the boat was called the Princess Andromeda (An-drom-eda)
Tartarus
Backbiter
Clarisse La Rue
Poseidon, king of the sea
In Percy Jackson and the Olympians her name is Sally Jackson. In mythology her name is Danae.
The name of the series or the character's name? I'll give you both: Series Name: Percy Jackson and the Olympians Character Name: Perseus Jackson