Batman Arkham Legends(2015 series)

This animated series fills in the gaps of the Arkhamverse and portrays the untold stories of the Batman as well as some of the Justice League and other heroes.

Characters
Bruce Wayne: Alter ego of Batman, the main character of the show and founding member of the Justice League that will form later on in the series.

Alfred: Bruce Wayne's butler who is a retired spy and Batman's communications hub

Gillian Loeb: Police commissioner and a secret supporter of Batman.

Jim Gordon: Captain of the GCPD and police commissioner.

Barbra Gordon: Daughter of Commisioner Gordon who becomes Batgirl.

Dick Grayson: Former teenage circus acrobat who is adopted by Bruce Wayne. Becomes Robin and Nightwing.

Jason Todd: A boy whose circus reforming parents are killed by Killer Croc. He is then adopted by Bruce Wayne and becomes the second Robin.

The Justice League: A team of superheroes that includes Superman, Green Lantern, Wonder Woman, Aquaman, Martian Manhunter and Cyborg, among other heroes, with Batman as a part-time member.

Roman Sionis: Alter ego of Black Mask, Gotham's most powerful mob boss and later a mercenary.

Dr. Robert Langstrom: Alter ego of Man-Bat, Superstrong bat hybrid/ corrupted biologist who uses special serums to turn innocent people in animal hybrids.

Victor Zsazz:  A murderous lunatic who has scars for everyone he's killed.

Waylon Jones: Alter ego of Killer Croc, a part man, part crocodile mutate and the murderer of Jason Todd's parents.

Oswald Cobblepott: British Gotham kingpin who is also known as the Penguin.

Bane: A Spanish mercenary who uses a drug called venom to give him superstrength.

Anarky: A political Anarchist who we later learn is the son of Joker.

Joker: Batman's worst enemy.

Harley Quinn: Joker's girlfriend.

Jervis Tetch: Alter ego of Mad Hatter, a criminal who uses masks for mind control.

Edward Nigma: Alter ego of Enigma, a cryptic criminal mastermind who leaves riddles at all his crime scenes.

Scar-Face: A mob boss ventriloquist dummy.

Pamela Isley: A botanist and the later ego of Poison Ivy, who has the ability to mutate and control plant life.

Dury Walker: A small time thug who became Kiler Moth, a supercriminal who can telepathically control moths.

Jonathan Crane: A scientist who becomes The Scarecrow, armed with a powerful drug called fear gas that brings out your worst fears.

Maximillian Zeus: Gang leader who believes he is the Olympian Zeus.

Garfield Lynns: Alter ego of Firefly, a pyromania who uses fire based weapons and equipment.

Copperhead: An unknown assassin who is believed to be infected with snake DNA.

Floyd Lawton: Alter ego of Deadshot, an expert sharpshooter who uses high-tech bullets and guns.

Slade Wilson: Alter ego of Deathstroke, a master assassin with knowledge of every fighting style and technique and mastery of every weapon.

Shiva: Second in command of the League of Assassins.

Ra's Ah Ghul: Master of the League of Assassins, a secret cult who plans to destroy Gotham and rebuild it in Ra's image.

Talia Ah Ghul: Daughter of Ra's Ah Ghul and love interest for Batman.

Selena Kyle: Alter ego of Catwoman, an expert cat burglar and jewel thief.

Basil Carlo: Actor and alter ego of Clayface, a metahuman made of clay that can shapeshift into anyone or anything.

Luicius Foxx: CEO of Wayne Enterprises and designer of Batman's technology.

Victor Fries: Alter ego of Mr. Freeze, a supercriminal who uses ice based weapons and equipment.

Vicki Vale: Reporter for Gotham City who competes with Jack Ryder

Jack Ryder: Reporter that competes with Vicki Vale.

Legion of Doom: A team of supervilains that includes Lex Luthor, Sinestro, Cheetahs, Black Manta, Scarecrow, Riddler and Toyman, among other villains.

Hammer and Sickle: Two one armed, unnamed thugs who work for whoever pays best.

Helena Burtonelli: Alter ego of the Huntress, a crossbow-wielding female vigilante who sometimes aligns herself with Batman and the Justice League.

The Outsiders: A superhero team consisting of Black Lightning, Metamorpho, Katanna, Geo-Force and Halo, who are being mentored and trained by Batman.

Julian Day: Alter ego of Calender Man, Gotham's most hated and relentless killer whose murders are linked to the date committed.

Season 1
Season 2