
Caliban is a fictional character appearing in American comic books published by Marvel Comics. He first appeared in The Uncanny X-Men #148, by writer Chris Claremont and artist Dave Cockrum. A Mutant with the ability to sense other mutants, he was originally a member of the Morlocks. He was also a member of the X-Factor, X-Men, X-Force and The 198. He was chosen twice by Apocalypse as one of the Horsemen of Apocalypse, first as Death and the second time as Pestilence, and Apocalypse also enhanced his superpowers through genetic manipulation.

Abraham Cornelius is a fictional character appearing in American comic books published by Marvel Comics.

Daken is a fictional antihero appearing in American comic books published by Marvel Comics. Daken was created by writer Daniel Way and artist Steve Dillon and first appeared in Wolverine: Origins #10.

Lady Deathstrike, occasionally spelled "Deathstryke", is a supervillain appearing in American comic books published by Marvel Comics. She is a foe of the X-Men, especially Wolverine.

All-New Wolverine is a comic book series published by Marvel Comics that debuted in 2015 as part of the All-New, All-Different Marvel relaunch. The series is the first to star Logan's clone daughter Laura Kinney in the role as the Wolverine. The plot introduces Laura's clone sisters, the youngest of which, Gabby, end up becoming her companion during their adventures. The series has been well received.

Jimmy Hudson is a fictional character appearing in American comic books published by Marvel Comics. The character appears in the Ultimate Marvel universe and is the son of Ultimate Wolverine. After the Secret Wars, he is now a resident in the Marvel Prime Universe.

Jubilation "Jubilee" Lee is a fictional character appearing in American comic books published by Marvel Comics, most commonly in association with the X-Men. Created by writer Chris Claremont and artist Marc Silvestri, the character first appeared in Uncanny X-Men #244.

Thomas Logan is a fictional character appearing in American comic books published by Marvel Comics. The character has been depicted as the biological father of X-Men member Wolverine. He was created by Bill Jemas, Joe Quesada, and Paul Jenkins. He was featured in the limited series Origin, which detailed the youth and formative years of Wolverine and was published from November 2001 to July 2002.

Mariko Yashida is a fictional character that appears in comic books published by Marvel Comics as Wolverine's romantic interest.

Matsu'o Tsurayaba is a fictional character associated with the Hand, and part of the Marvel Comics universe. A member of the Hand, Tsurayaba's first appearance came in Uncanny X-Men #255 and was directly involved with the "body swap incident" between Betsy Braddock and Kwannon just after Betsy's emergence from the Siege Perilous.

David North is a fictional mutant character appearing in American comic books published by Marvel Comics. He was originally known as Maverick, and more recently as Agent Zero. The character first appeared in X-Men #5 and was created by writer John Byrne and co-writer/artist Jim Lee.

Omega Red is a fictional character appearing in American comic books published by Marvel Comics, most commonly in association with the X-Men. In 2009, Omega Red was ranked as IGN's 95th Greatest Comic Book Villain of All Time.
Romulus is a fictional comic book supervillain appearing in books published by Marvel Comics, in particular those featuring Wolverine. He is the leader of the Lupines, a species resembling humans that he claims evolved from canines instead of primates through convergent evolution. A shadowy character whose origin and motives remain a mystery, he is shown to have orchestrated most major events in the life of Wolverine, manipulating and controlling him for most of his life.

Roughouse is a fictional character, a supervillain appearing in American comic books published by Marvel Comics. The character is depicted as the occasional enemy of Wolverine. His first appearance was in Wolverine vol. 2, #4. The character was created by Chris Claremont and John Buscema.

Sabretooth is a fictional character appearing in American comic books published by Marvel Comics, most commonly in association with the X-Men, in particular as an enemy of Wolverine. Created by writer Chris Claremont and artist/co-writer John Byrne, the character first appeared in Iron Fist #14. Sabretooth was originally portrayed as a non-powered serial killer but was later written as a mutant possessing bestial superhuman abilities, most notably a rapid healing factor, razor-sharp fangs and claws, and superhuman senses. He is a vicious assassin, responsible for numerous deaths both as a paid mercenary and for his personal pleasure. Accounts as to the origin of his enmity with Wolverine are conflicted. It is known that Wolverine and Sabretooth were participants of the Cold War supersoldier program Weapon X, and that Sabretooth saw Wolverine as competition and therefore antagonized him. While Wolverine is depicted as suppressing his more savage qualities, Sabretooth does the opposite and embraces them, until the events of the 2014 storyline "AXIS".

Silver Samurai is the name of two different supervillains appearing in American comic books published by Marvel Comics, both acquaintances of Wolverine.

William Stryker is a fictional supervillain appearing in American comic books published by Marvel Comics. A reverend and former colonel with a strong hatred for mutants, he is usually depicted as an enemy of the X-Men. He is also the father of Jason Stryker.

The Wendigo is a fictional monster appearing in American comic books published by Marvel Comics. The Marvel character is based on the Wendigo legend of the Algonquian peoples. The monster first appeared in The Incredible Hulk #162, created by writer Steve Englehart and artist Herb Trimpe, fighting the Incredible Hulk.

Wild Child alternately spelled Wildchild and also known as Weapon Omega and Wildheart, is a fictional character appearing in American comic books published by Marvel Comics. The character has been depicted as both a superhero and a supervillain, and as a member of Alpha Flight, X-Factor and Weapon X.

Laura Kinney is a fictional superhero appearing in media published by Marvel Entertainment, most commonly in association with the X-Men. The character was created by writer Craig Kyle for the X-Men: Evolution television series in 2003, before debuting in the NYX comic series in 2004. Since then she has headlined two six-issue miniseries written by Kyle and Christopher Yost, a one-shot and self-titled series written by Marjorie Liu, and All-New Wolverine by Tom Taylor.

Yukio (雪緒) is a fictional character appearing in American comic books published by Marvel Comics. She is a female ninja of Japanese origin and a supporting character of the X-Men, particularly associated with Wolverine. Originally conceived of as a love interest of Storm, the characters' relationship was relegated to subtext after Marvel Comics' editor-in-chief Jim Shooter mandated that no same-gender couples could be depicted in comic books during his tenure at the company.