|Headquarters||Hanover, New Hampshire|
One of the magazine's oldest traditions is "Stockman's Dogs". In the October 1934 issue, F.C. Stockman (class of 1935) drew a single-panel cartoon of two dogs talking to each other. That same cartoon has appeared in virtually every issue published since, always with a different caption.
1972-74 the Editor in chief was playwright Robert DeKanter '74. Among the first Dartmouth women on the staff was Barbara Donnelly, '77, later a writer for the Wall Street Journal.
DeKanter was succeeded by the team Brad Brinegar and Maxwell Anderson, both '77. One evening in July, 1975, cartoonists Brian "Hojo" Hansen '76 and Mike Mosher '77 slipped in and painted a cubist rendition of bibulous alumni in translucent acrylic washes upon the wall. When this was eradicated the following week, Hansen and Mosher replaced it with a Renaissance-style "pittura infamante" (topic of an art history lecture in Carpenter Hall) called "Allegory of the Evisceration of Humor", depicting Brinegar and Anderson abusing a Jack-O-Lantern figure. "This was the perfect crime" enthused Hansen, "for to paint it over would prove our point: that they have no sense of humor."
1976-78 the Editor was N. Brooks Clark, who published a Jack-O-Lantern calendar during his tenure. Clark wrote a parody of the controversial college-issued sex guide, which he called "Thrilling Contraception Comics and Stories", illustrated by Mosher and featuring a wisecracking spermatozoic guide, Snappy Sammy Sperm. It was reprinted in the 1982 Holt paperback collection of 1970s college humor, whose lead editor Joey Green was the founding editor of the Cornell Lunatic.
A 2006 video prank by the Jack-O-Lantern on a Dartmouth College tour group entitled "Drinkin' Time" was featured in an article by the Chronicle of Higher Education, posted by AOL on the Online Video Blog, and was mentioned by The Volokh Conspiracy. As of November 2013[update], the video has garnered over 585,000 views on YouTube.
The Jacko publishes print issues approximately four times a year, as well as regularly updated online content and occasional video productions. The magazine devotes one publication cycle each year to a parody of the campus newspaper, The Dartmouth.
Some notable writers, artists, comedians and politicians began their careers at the Jacko, including:
- Norman MacLean, whose acclaimed novel A River Runs Through It was made into the Robert Redford film of the same name.
- Theodor Seuss Geisel, also known as Dr. Seuss. Geisel began signing his work with his middle name so that he could continue to work on the Jack-O-Lantern after he was banned from participating in college activities for having violated Prohibition.
- Budd Schulberg, subsequently known for his 1941 novel, What Makes Sammy Run, his 1947 novel The Harder They Fall, his 1954 Academy-award-winning screenplay for On the Waterfront, and his 1957 screenplay A Face in the Crowd.
- A. J. Liebling, author of The Sweet Science, Between Meals, The Earl of Louisiana, and other classics of "New Yorker journalism."
- Bruce Ducker, author and poet, whose novels include Lead Us not into Penn Station, Mooney in Flight, and Home Pool.
- John S. Monagan, remembered, in addition to his service in the U.S. House of Representatives, for his biography of Oliver Wendell Holmes, Jr.
- Buck Henry, founder and frequent host on NBC's Saturday Night Live.
- Stephen Geller, awarded a Cannes Film Festive prize for his screenplay for the film adaptation of Kurt Vonnegut's novel Slaughterhouse-Five.
- Frank D. Gilroy, playwright (The Subject Was Roses), television and screenwriter (Have Gun Will Travel, The Rifleman), and novelist.
- William C. Dowling, editor of Jack-O-Lantern during the period when its cartoon staff included Kirk Ditzler, James Fosso, and Robert Reich. Dowling subsequently wrote about his Jack-O-Lantern days in his memoir Confessions of a Spoilsport 
- Peter Golenbock, sportswriter, co-author of The Bronx Zoo.
- Robert Reich, whose Locked in the Cabinet, a memoir of his time as Secretary of Labor in the Clinton Administration, has been described as a classic of political humor.
- William Hjortsberg, known as "Gatz", author of fiction and biography.
- Maxwell L. Anderson, author, art historian, Chevalier de l'Ordre des Arts et des Lettres.
- Mindy Kaling, writer and actress for The Office, on which she portrayed the character Kelly Kapoor.
- Phil Lord and Chris Miller, directing duo behind the films 21 Jump Street and The Lego Movie.
- "About This Site". Dartmouth Jack-O-Lantern. Retrieved 2007-01-28.
- "85th Anniversary Issue" (PDF). Dartmouth Jack-O-Lantern. Fall 1995. Retrieved 2007-01-25.
- Fitzgerald, F. Scott (December 1939). "The Lost Decade". Esquire. Retrieved 2009-04-11.
- Orbuch, Steve (2003-11-04). "Jacko mascot 'Keggy' wins many Dartmouth fans". The Dartmouth. Archived from the original on 2007-01-23. Retrieved 2007-01-25.
- Green, Joey; Handy, Bruce; Corcoran, Alan, eds. (1982). Hellbent on Insanity. p. 66. ISBN 0-03-059981-4.
- Bartlett, Thomas (2007-04-06). "Culture Watch: The College Prank as Viral Video". Archived from the original on 2007-04-06. Retrieved 2007-04-13.
- Tonka D. (2007-02-22). "AOL Video Log". AOL. Retrieved 2007-04-13.
- Kerr, Orin (2007-02-03). "'It's Drinkin' Time!'". The Volokh Conspiracy. Retrieved 2007-04-13.
- DartmouthJacko. "Drinkin' Time". YouTube. Retrieved 2013-11-22.
- "About Us: History". Dartmouth Jack-O-Lantern. Archived from the original on 2009-12-08. Retrieved 2009-12-08.
- Geisel, Theodor Seuss (2005). "Dr. Seuss Biography". In Taylor, Constance (ed.). Theodor Seuss Geisel The Early Works of Dr. Seuss. 1. 228 Byers Road, Suite 201, Miamisburg, OH 45342: Checker Book Publishing Group. p. 6. ISBN 1-933160-01-2.CS1 maint: location (link)
- Estrada, Louie (2005-10-25). "Conn. Congressman John Monagan Dies". The Washington Post. Archived from the original on 2009-12-08. Retrieved 2009-12-08.