Before Swine, Bill Amend of FoxTrot, and Darby Conley of Get Fuzzy all ran extremely similar comic dialogue in their respective strips, but with their own core characters saying the lines. On April 1, 2016, at least fifty webcomics, including Cyanide & Happiness, The Awkward Yeti, and Poorly Drawn Lines all ran the same comic dialogue in their respective strips, akin to April 1, 2005. On April 1, 2021, Olivia Jaimes of Nancy and Steenz of Heart of the City swapped strips for the day. Strips and creators involved The comics of April 1, 1997, were swapped as follows: 13-way swap Baby Blues was drawn by Stephen Bentley (Herb and Jamaal): The characters have the same skin color as Herb and Jamaal's stars. Herb and Jamaal was drawn by Russel Myers (Broom-Hilda). Broom-Hilda was drawn by Bud Grace (Ernie). Ernie was drawn by J. C. Duffy (The Fusco Brothers). The Fusco Brothers was drawn by Jerry Van Amerongen (Ballard Street). Ballard Street was drawn by Mel Lazarus (Momma). Momma was drawn by Jeff Millar and Bill Hinds (Tank McNamara): Marylou introduces Momma to Tank as her new boyfriend. Tank McNamara was drawn by Chip Sansom (The Born Loser). The Born Loser was drawn by Brian Crane (Pickles): Earl joins Thorney on a walk through a neighborhood. Pickles was drawn by Michael Jantze (The Norm): Earl is really Norm in a costume. The Norm was drawn by Bill Holbrook (On the Fastrack): Wendy is at Norm's workplace. On the Fastrack was drawn by Jim Toomey (Sherman's Lagoon): Just when you think Sherman makes a cameo, it's Wendy's hair. Sherman's Lagoon was drawn by Kirkman and Scott (Baby Blues): Fish versions of the MacPhersons visit Sherman & Megan. 11-way swap 9 Chickweed Lane was drawn by Chris Browne (Hägar the Horrible): Lucky Eddie was one of Amos' Ancestors. Hägar the Horrible was drawn by Wiley Miller (Non Sequitur): Hägar is visited by a systems analyst. Non Sequitur was drawn by Robb Armstrong (Jump Start). Jump Start was drawn by Walker and Browne (Hi and Lois): Joe and Marcy see themselves like Hi and Lois. Hi and Lois was drawn by Greg Evans (Luann): Luann is Trixie's babysitter. Luann was drawn by Dan Piraro (Bizarro): Luann sees a cartoon chihuahua named Squeeky in her mirror. The shock slowly turns her into a bug. Bizarro was drawn by Bill Griffith (Zippy the Pinhead): One