Definitive list: Horace (Dark Side of the Horse), Calvin and Hobbes, Garfield, Travis (the head in the jar from Scary Gary), Jill Kaplan (The Pajama Diaries), Jonathan Lemon (me!), Stephan Pastis (Pearls Before Swine), Alien Admin (from Human Cull), Rory (The Barn), Percival Dunwoody, Idiot Time-Traveler from 1909 (Tom the Dancing Bug), Scary Gary and Leopold (Scary Gary), Buni (Buni), Dilbert, Helen Kudlick (Dustin), Keith Knight (The K Chronicles), Lance (Fusco Brothers), Dagwood (Blondie), Luann, Arthur (Sheldon), Pointy-haired boss (Dilbert), Petey (Cul-de-Sac), Popeye, Lettuce (Rabbits Against Magic), Roger Fox (Foxtrot), Charlie Brown and Lucy (Peanuts), Big Nate, Lio, Tina (Tina’s Groove), Beatle Bailey and Sarge, The cloud (Wizard of Id), Zippy the Pinhead, Trixie (Rabbits Against Magic), Jeremy Duncan (Zits), La Cucuracha, Joules (Brilliant Mind of Edison Lee), Rat (Pearls Before Swine), Lamont (Candorville), Duke (Doonesbury), Monty Montahue (Monty), Bung and the Wizard (Wizard of Id), Andy Capp, Schroeder (Peanuts), Hilary Forth (Sally Forth), Poncho (Pooch Cafe), Bucky (Get Fuzzy), Bleeker the Rechargeable Dog, Thatababy, Hammie (Baby Blues), Marla (Retail), Eaightball and Weenus (Rabbits Against Magic), Grog (B.C.), Earl (Pickles), Oscar the Penguin (Arctic Circle), Enos (The Duplex).
Definitive list: Horace (Dark Side of the Horse), Calvin and Hobbes, Garfield, Travis (the head in the jar from Scary Gary), Jill Kaplan (The Pajama Diaries), Jonathan Lemon (me!), Stephan Pastis (Pearls Before Swine), Alien Admin (from Human Cull), Rory (The Barn), Percival Dunwoody, Idiot Time-Traveler from 1909 (Tom the Dancing Bug), Scary Gary and Leopold (Scary Gary), Buni (Buni), Dilbert, Helen Kudlick (Dustin), Keith Knight (The K Chronicles), Lance (Fusco Brothers), Dagwood (Blondie), Luann, Arthur (Sheldon), Pointy-haired boss (Dilbert), Petey (Cul-de-Sac), Popeye, Lettuce (Rabbits Against Magic), Roger Fox (Foxtrot), Charlie Brown and Lucy (Peanuts), Big Nate, Lio, Tina (Tina’s Groove), Beatle Bailey and Sarge, The cloud (Wizard of Id), Zippy the Pinhead, Trixie (Rabbits Against Magic), Jeremy Duncan (Zits), La Cucuracha, Joules (Brilliant Mind of Edison Lee), Rat (Pearls Before Swine), Lamont (Candorville), Duke (Doonesbury), Monty Montahue (Monty), Bung and the Wizard (Wizard of Id), Andy Capp, Schroeder (Peanuts), Hilary Forth (Sally Forth), Poncho (Pooch Cafe), Bucky (Get Fuzzy), Bleeker the Rechargeable Dog, Thatababy, Hammie (Baby Blues), Marla (Retail), Eaightball and Weenus (Rabbits Against Magic), Grog (B.C.), Earl (Pickles), Oscar the Penguin (Arctic Circle), Enos (The Duplex).