Sojourner "Jo" Mullein
Sojourner Mullein as Green Lantern, art by Sanford Greene
Publication information
Publisher	DC Comics
First appearance	Far Sector #1 (January 2020)
Created by	N. K. Jemisin Jamal Campbell
In-story information
Full name	Sojourner Mullein
Species	Human
Team affiliations	Green Lantern Corps Justice League
Notable aliases	Green Lantern Lantern Mullein
Abilities	Use of power ring grants: Flight Force field generation Generation of hard-light constructs Omnilinguasm Space & time travel Crystalization Energy twin projection & absorption Holographic projection Emerald sight Will empowerment Limited cellular regeneration

Sojourner "Jo" Mullein, one of the characters known as Green Lantern, is a superheroine appearing in American comic books published by DC Comics. Created by Hugo Award-winning author N. K. Jemisin,^[1][2] with artwork by Jamal Campbell, she is a member of the Green Lantern Corps.

Her first appearance takes place in the Young Animal 12-issue comic series Far Sector, of which she is the main protagonist.

Sojourner Mullein first appeared in Far Sector #1, a 12-issue comic series where she starred as the main protagonist. It was published on November 13, 2019, with a cover date of January, 2020. Far Sector won the 2022 Hugo Award for "Best Graphic Story or Comic".^[3] Mullein later begins appearing in mainstream Green Lantern comics following Infinite Frontier, appearing first in Green Lantern (vol. 6) #2.

Jo Mullein was raised a child of divorce in New York City. After witnessing the 9/11 attacks, Jo was inspired to make a difference in the world, graduating valedictorian in her high school and joining the United States Army, and later the New York City Police Department. During her police career, she witnessed her partner beat a suspect nearly to death. Before being able to turn him in she was suddenly fired after being tagged in a Black Lives Matter Facebook post. After being fired, Jo was approached by a Guardian of the Universe, who issued her a Power ring and a challenge: "One year to make a difference."^[4]

Following Infinite Frontier, Mullein began appearing in mainstream Green Lantern comics, becoming a main Green Lantern alongside Hal Jordan, John Stewart, etc.

• A possible future variant of Sojourner Mullein appears in "Future State: Justice League" #1 as the leader of the Justice League.^[5]
• Jo Mullein is set to appear in Absolute Green Lantern, written by Al Ewing and illustrated by Jahnoy Lindsay.

A teenage Jo Mullein makes a non-speaking cameo appearance in the DC Super Hero Girls episode "#CruzControl".