Ninjak is a fictional superhero appearing in comic books published by Valiant Comics. The original incarnation of the character was created by Mark Moretti and Joe Quesada, The character was first introduced as a ninja and spy in the Valiant Comics series Bloodshot in July, 1993. His appearance in that series served to encourage interest ahead of his own self-titled series, which began in November that same year. Acclaim Entertainment bought out Valiant Comics in 1996, after which Ninjak and other characters were rebooted. The Acclaim Ninjak series lasted only a year. Valiant Comics later returned and rebranded as Valiant Entertainment, and a new version of Ninjak, more in-line with the original incarnation, was introduced to readers in 2012.

Valiant Comics is an American comic book publisher, the first incarnation of which was founded in 1989 by former Marvel Comics editor-in-chief Jim Shooter along with lawyer and businessman Steven Massarsky. In 1994, the company was sold to Acclaim Entertainment. After Acclaim’s 2004 bankruptcy, the company’s assets were purchased as part of Valiant Entertainment by entrepreneurs Dinesh Shamdasani and Jason Kothari in 2005. In 2011, Valiant received a capital infusion from private investment company Cuneo & Company, LLC. Peter Cuneo and Gavin Cuneo joined the company and a relaunch was announced.