Jack O'Brien
Issues
172
Series
65
Active
1943-2014
As editor (3 series)
As Inker (65 series)
Good Humor
Charlton - 12 issues
Harvey Hits
Harvey - 12 issues
Mirth
Hardie-Kelly - 8 issues
TV Girls and Gags
Pocket Magazines - 7 issues
Pack O' Fun
Magna Publications - 7 issues
Nifty
Dearfield Publishing Co. - 7 issues
Hello Buddies
Harvey - 6 issues
G.I. Joe
Ziff-Davis - 6 issues
T.N.T.
Toby - 5 issues
Bust Out Laffin'
Toby - 4 issues
1000 Jokes
Dell - 4 issues
Broadway Laughs
Prize - 3 issues
Cool Cat
Prize - 3 issues
Army & Navy Fun Parade
Harvey - 3 issues
Smiles
Hardie-Kelly - 3 issues
Army Fun
Prize - 3 issues
Joker Comics
Marvel - 2 issues
Campus Humor
Charlton - 2 issues
Billy the Kid Adventure Magazine
Toby - 2 issues
Army Laughs
Prize - 2 issues
A Pocketful of Pepper
Hardie-Kelly - 2 issues
For Laughing Out Loud
Dell - 2 issues
Treasure Chest of Fun and Fact
George A. Pflaum - 2 issues
The American Legion
The American Legion - 2 issues
Al Capp's Li'l Abner
Toby - 2 issues
Dolls & Gags
Prize - 2 issues
Wham!
Wolf Books - 2 issues
This Magazine Is Crazy
Charlton - 2 issues
Sad Sack Comics
Harvey - 2 issues
Cartoon Carnival
Charlton - 2 issues
Cartoon Cuties
Toby - 1 issues
Pow Magazine
Humor-Vision - 1 issues
Flushed! The W.C. Companion
Kanrom - 1 issues
Zip!
Kirby Publishing Co. - 1 issues
Honeymoon Guide
Avon Books - 1 issues
Cartoons of World War II
Arcturus Publishing - 1 issues
Nuts!
Premier Magazines - 1 issues
Sick
Prize - 1 issues
Stare
Marvel - 1 issues
Army Laughs
Prize - 1 issues
What's Cookin'!
Hardie-Kelly - 1 issues
Sea Battles
Magazine Management - 1 issues
Lady Chatterley's Daughter
Popular Library - 1 issues
The Best of Good Humor
Charlton - 1 issues
John Wayne Adventure Comics
Toby - 1 issues
Bold Stories
Kirby Publishing Co. - 1 issues
Cartoon Spice
Charlton - 1 issues
Sad Sack Laugh Special
Harvey - 1 issues
Best Cartoons from Argosy
Zenith Books - 1 issues
Sad Sack Army Life Parade
Harvey - 1 issues
Gal Snaps
Spotlight Publishers [1940s] - 1 issues
Laughing It Up
Star [1955-1958 ?] - 1 issues
The Saturday Evening Post
Curtis Publishing Company - 1 issues
More Jokes for the John
Kanrom - 1 issues
Cracked
Major Publications - 1 issues
Jolly Dolls
Spotlight Publishers [1940s] - 1 issues
Armed Farces
Pyramid Books - 1 issues
A-Laugh-a-Minnit
Toby - 1 issues
Billy the Kid
Superior - 1 issues
Sex to Sexty
SRI Publishing Company - 1 issues
The Other Woman
Dell - 1 issues
Fun
Hardie-Kelly - 1 issues
Cartoons and Gags
Marvel - 1 issues
Army and Navy Fun Parade
Harvey - 1 issues
Jackpot
Youthful / Western / Pix Parade - 1 issues
As Letterer (12 series)
Sad Sack Comics
Harvey - 2 issues
Army Fun
Prize - 2 issues
Al Capp's Li'l Abner
Toby - 2 issues
Dolls & Gags
Prize - 1 issues
Campus Humor
Charlton - 1 issues
Sad Sack Army Life Parade
Harvey - 1 issues
Army Laughs
Prize - 1 issues
Cool Cat
Prize - 1 issues
TV Girls and Gags
Pocket Magazines - 1 issues
Army & Navy Fun Parade
Harvey - 1 issues
T.N.T.
Toby - 1 issues
Broadway Laughs
Prize - 1 issues
As Penciller (65 series)
Good Humor
Charlton - 12 issues
Harvey Hits
Harvey - 12 issues
Mirth
Hardie-Kelly - 8 issues
Nifty
Dearfield Publishing Co. - 7 issues
TV Girls and Gags
Pocket Magazines - 7 issues
Pack O' Fun
Magna Publications - 7 issues
G.I. Joe
Ziff-Davis - 6 issues
Hello Buddies
Harvey - 6 issues
T.N.T.
Toby - 5 issues
1000 Jokes
Dell - 4 issues
Bust Out Laffin'
Toby - 4 issues
Army Fun
Prize - 3 issues
Smiles
Hardie-Kelly - 3 issues
Army & Navy Fun Parade
Harvey - 3 issues
Broadway Laughs
Prize - 3 issues
Cool Cat
Prize - 3 issues
A Pocketful of Pepper
Hardie-Kelly - 2 issues
Treasure Chest of Fun and Fact
George A. Pflaum - 2 issues
For Laughing Out Loud
Dell - 2 issues
Joker Comics
Marvel - 2 issues
Campus Humor
Charlton - 2 issues
Al Capp's Li'l Abner
Toby - 2 issues
This Magazine Is Crazy
Charlton - 2 issues
Army Laughs
Prize - 2 issues
The American Legion
The American Legion - 2 issues
Dolls & Gags
Prize - 2 issues
Cartoon Carnival
Charlton - 2 issues
Sad Sack Comics
Harvey - 2 issues
Billy the Kid Adventure Magazine
Toby - 2 issues
Wham!
Wolf Books - 2 issues
The Best of Good Humor
Charlton - 1 issues
The Other Woman
Dell - 1 issues
Armed Farces
Pyramid Books - 1 issues
Honeymoon Guide
Avon Books - 1 issues
More Jokes for the John
Kanrom - 1 issues
Nuts!
Premier Magazines - 1 issues
Jolly Dolls
Spotlight Publishers [1940s] - 1 issues
Gal Snaps
Spotlight Publishers [1940s] - 1 issues
Cartoons and Gags
Marvel - 1 issues
The Saturday Evening Post
Curtis Publishing Company - 1 issues
Pow Magazine
Humor-Vision - 1 issues
Army Laughs
Prize - 1 issues
Fun
Hardie-Kelly - 1 issues
Sex to Sexty
SRI Publishing Company - 1 issues
John Wayne Adventure Comics
Toby - 1 issues
Lady Chatterley's Daughter
Popular Library - 1 issues
Zip!
Kirby Publishing Co. - 1 issues
What's Cookin'!
Hardie-Kelly - 1 issues
Cartoons of World War II
Arcturus Publishing - 1 issues
Sad Sack Army Life Parade
Harvey - 1 issues
Sad Sack Laugh Special
Harvey - 1 issues
Bold Stories
Kirby Publishing Co. - 1 issues
A-Laugh-a-Minnit
Toby - 1 issues
Laughing It Up
Star [1955-1958 ?] - 1 issues
Best Cartoons from Argosy
Zenith Books - 1 issues
Stare
Marvel - 1 issues
Cartoon Spice
Charlton - 1 issues
Cartoon Cuties
Toby - 1 issues
Sea Battles
Magazine Management - 1 issues
Sick
Prize - 1 issues
Cracked
Major Publications - 1 issues
Army and Navy Fun Parade
Harvey - 1 issues
Flushed! The W.C. Companion
Kanrom - 1 issues
Billy the Kid
Superior - 1 issues
Jackpot
Youthful / Western / Pix Parade - 1 issues
As Writer (58 series)
Good Humor
Charlton - 11 issues
Mirth
Hardie-Kelly - 8 issues
Pack O' Fun
Magna Publications - 7 issues
Nifty
Dearfield Publishing Co. - 7 issues
TV Girls and Gags
Pocket Magazines - 6 issues
Hello Buddies
Harvey - 6 issues
T.N.T.
Toby - 5 issues
1000 Jokes
Dell - 4 issues
Smiles
Hardie-Kelly - 3 issues
Bust Out Laffin'
Toby - 3 issues
This Magazine Is Crazy
Charlton - 3 issues
Broadway Laughs
Prize - 3 issues
Army & Navy Fun Parade
Harvey - 3 issues
Cool Cat
Prize - 3 issues
Army Fun
Prize - 3 issues
Cartoon Carnival
Charlton - 2 issues
Sad Sack Comics
Harvey - 2 issues
Campus Humor
Charlton - 2 issues
For Laughing Out Loud
Dell - 2 issues
Harvey Hits
Harvey - 2 issues
Army Laughs
Prize - 2 issues
Dolls & Gags
Prize - 2 issues
Al Capp's Li'l Abner
Toby - 2 issues
The American Legion
The American Legion - 2 issues
A Pocketful of Pepper
Hardie-Kelly - 2 issues
Wham!
Wolf Books - 2 issues
A-Laugh-a-Minnit
Toby - 1 issues
Army Laughs
Prize - 1 issues
The Saturday Evening Post
Curtis Publishing Company - 1 issues
Army and Navy Fun Parade
Harvey - 1 issues
Cartoons and Gags
Marvel - 1 issues
Cartoon Spice
Charlton - 1 issues
Cartoons of World War II
Arcturus Publishing - 1 issues
The Other Woman
Dell - 1 issues
Cracked
Major Publications - 1 issues
Sad Sack Laugh Special
Harvey - 1 issues
Flushed! The W.C. Companion
Kanrom - 1 issues
Jolly Dolls
Spotlight Publishers [1940s] - 1 issues
Joker Comics
Marvel - 1 issues
Best Cartoons from Argosy
Zenith Books - 1 issues
The Best of Good Humor
Charlton - 1 issues
Zip!
Kirby Publishing Co. - 1 issues
Sex to Sexty
SRI Publishing Company - 1 issues
Pow Magazine
Humor-Vision - 1 issues
Sad Sack Army Life Parade
Harvey - 1 issues
What's Cookin'!
Hardie-Kelly - 1 issues
More Jokes for the John
Kanrom - 1 issues
John Wayne Adventure Comics
Toby - 1 issues
Lady Chatterley's Daughter
Popular Library - 1 issues
Armed Farces
Pyramid Books - 1 issues
Gal Snaps
Spotlight Publishers [1940s] - 1 issues
Sick
Prize - 1 issues
Jackpot
Youthful / Western / Pix Parade - 1 issues
Stare
Marvel - 1 issues
Laughing It Up
Star [1955-1958 ?] - 1 issues
Honeymoon Guide
Avon Books - 1 issues
Fun
Hardie-Kelly - 1 issues
Cartoon Cuties
Toby - 1 issues