History Keeper

 was an American animated action-adventure television series, being created by TBD. It was produced by Nickelodeon Animation Studios and it aired on Nickelodeon from May 14th, 2013 until July 5th, 2018.

Synopsis
Annabeth Rogers learns that her father was a member of a group of adventurers known as History Keepers whose goal is to find ancient historical items as she becomes a new history keeper and tries to figure out what happened to her father.

Main

 * Annabeth "Anna" Rogers (voiced by Jennifer Hale) - a slightly nervous teenager who learns that her father was a member of the History-gathering adventurer organization known as the History Keepers as she becomes one in order to both have thrills and to figure out where her father is.

Supporting

 * Elizabeth "Liz" Clayton (voiced by Olivia Hack) - a goofy junior member of the History Keepers who is assigned to be Anna's tech support as she quickly grows a bond with her.
 * Socrates (voiced by John DiMaggio) - the mysterious leader of the History Keepers who named himself after the Greek Philosopher as he wants to collect unique historical items to understand history.
 * Maria Hands (voiced by Grey Griffin) - the History Keeper's head combatant trainer who has been training Anna as she soon gains a motherly relationship with her.
 * Arnold Rogers (voiced by Nolan North) - Anna's friendly father who is a member of the History Keepers as he has disappeared and has been leaving cryptic clues for Anna to find him.

Antagonists

 * The Void, consisting of:
 * The Good Doctor (voiced by Steven Blum) - the mysterious and sinister leader of the rival organization known as the Void who wants to collect historical items to summon something mysterious.
 * Zoe Marston (voiced by Lara Jill Miller) - a top agent of the Void and Anna's rival who has a flamboyant sense of sadism and is obsessed with defeating Anna.
 * Hatsu Akuma (voiced by Dante Basco) - a ninja agent of the Void who has an obsession with proving himself to be powerful.
 * Silver and Black (voiced by Janice Kawaye) - two emotionless twin sisters who work for Hatsu and are extremely skilled ninja.
 * Dead Eye Ned (voiced by Troy Baker) - a charismatic agent of the Void who is styled as a cowboy and wields a gun with heat seeking bullets.
 * Caitlin Ferrus (voiced by Tara Strong) - an agent of the Void who is obsessed with gold as she wants to have as much gold as she possibly can.
 * Giovanni Nitro (voiced by TBD) - a flamboyant Italian Void agent who has an obsession with speed and being the fastest he can.
 * Lily (voiced by TBD) - a supposed new History Keepers agent who ends up to be a genetic experiment by the Void to create the perfect mole.

Episodes
See List of episodes.

Trivia

 * Although not implicitly shown or stated, there are hints that Anna and Liz's relationship border romantic levels, although the show's developers prefer to leave that to the viewers' imagination if they are indeed a couple or just very close friends.