Post characters with a nickname oder codename

Hei - Darker Than Black.

Also known as BK201 and Black Reaper

Light Yagami (Kira) .

Nate River (N)

Mihael Keehl (Mello)

Train Heartnet-Black Cat and Number 13

Kisuke Urahara - Hat & Clogs (Bleach)

kisuke was called Hat & Clogs Von ichigo most of the time.....but got to admit...... there isnt a single person who's identity matched with this nickname this perfectly........he he eh eh

L oder Ryuuzaki

Seiichi Yukimura from Prince of Tennis is nicknamed "Child of God" despite never Lost a match before...

Frau refers to him as "The Damned Brat"

Lelouch- Lulu

Edward Elric (Fullmetal Alchemist) is called the Fullmetal Alchemist. pic
Train (Black Cat) has the codename Black Cat
Minato (Naruto) is called The Yellow Flash
Kushina (Naruto9 is nicknamed Red-Hot Habanero
Oliver Davis (Ghost Hunt) is nicknamed Naru
Tamaki (Bamboo Blade) is nicknamed Tama-chan
Grell and Madam Red (Kuroshitsuji) are called Jack the Ripper.
Luffy (One Piece) is called Straw Hat
Erza (Fairy Tail) is nicknamed Titania
Natsu (Fairy Tail) has the nickname Salamander.

L Lawliet (Death Note): 'Ryuzaki'
Touta Matsuda (Death Note): 'Matsu'
Eve (Black Cat): 'Princess'
Takeyama (Angel Beats!): 'Christ' [Picture]
Yuri (Angel Beats!): 'Yurippe'
Lelouch vi Britannia (Code Geass): 'Lulu'
Mihael Keehl (Death Note): 'Mello'
Nate River (Death Note): 'Near'
Mail Jeevas (Death Note): 'Matt'

Though, Eve and Matsuda are only referred to those nicknames Von one person, and Takeyama uses that name for himself.

His codename is Accelerator but no one knows his real name including himself

Weiss Kreuz members From Left to Right

Youji- Balinese
Omi-Bombay, Persia
Ken- Siberian
Ran/Aya- Abyssinian

Kyon From The Melancholy of Haruhi Suzumiya. His Nickname is Kyon. He uses a fals name to trick haruhi Suzumiya. His false name is John Smith. The Haruhi Suzumiya Anime dosen't say Kyon's real name.

Yamato from Naruto Shippuden

When he was in Anbu,he was gegeben the name 'Tenzo'.But when he joined Team Kakashi,he was gegeben the codename 'Yamato' Von Tsunade

Tsunayoshi Sawada

Tsuna, Juudaime, Herbivore, Dame-Tsuna