Dark Lucifer

Dark Lucifer (ダークルシフェル) is the final Dark Ultra to be created by Dark Zagi, appearing in 2012, three years after his master's death.

Subtitle: Giant of Darkness (闇の巨人)

Ultraman Nexus TV COMPLETE DVD-BOX: Second Coming - Dreams
It has been three years since Dark Zagi's destruction. Kazuki Komon was appointed into the leader of Japan's Night Raider branch. One day, strange cases happened where several people claimed to have lost their memories regarding Space Beasts. Komon and Nagi found the perpetrator to be a member of the Memory Police, who soon revealed himself to be a dark giant called Dark Lucifer. Once more reunited with Ultraman Noa Komon and Nagi faced this new threat.

Original Planning and Concept
Dark Lucifer was actually meant to be the true mastermind of Ultraman Nexus but due to the series' low viewership, this character was forcefully shelved while the mastermind role was given to Dark Zagi.

While not having a suit, Dark Lucifer's design was made by Yasushi Torisawa. This giant has the combined aspects of all antagonists that appeared in the Ultra N Project:
 * Beast the One (Beruzebua): Body type
 * Dark Faust: Face on the left neck
 * Dark Mephisto: Face on the right neck
 * Dark Zagi: Visible blood vessel-like design
 * The pair of "branch"-like features on his back is based on Mitsuhiko Ishibori in the flashback and to a lesser extent, the Space Beast Arakunia.

Impact on later years of Ultra Series

 * Ultraman Mebius (2006): Designer Hiroshi Maruyama used Dark Lucifer's aspects in creating Ultraman Hikari and his Aarb Gear alter-ego, Hunter Knight Tsurugi.
 * Ultraman Saga (2012): Dark Lucifer was originally planned to be the main antagonist but in a similar case to Nexus, he was scrapped.
 * Ultraman Ginga (2013): The main antagonist Dark Lugiel had his design based on Dark Lucifer.

Powers and Abilities

 * Memory Erasure: Dark Lucifer can erase memories of certain people regarding their encounter with Space Beasts. This was in fact his predation method to consume their fears in a similar manner to Space Beasts though this method is done without any bloodshed.
 * Possession: Like his masters and predecessors, Dark Lucifer can possess any individual he desired. He possessed as a Memory Police officer.
 * Other Powers of Dark Giants: It is implied that Dark Lucifer possess similar powers to his master and other of dark giants.

Trivia

 * His only appearance is in the novel, thus making him as a novel-exclusive Ultraman.
 * His name is based on the similarly named religious figure from Christian mythology who is usually associated with "Satan".