
More turn up in other volumes, such as Bao Lang (early-21st-century Tesladyne) or pretty much any given Flying She-Devil.
Action Girl: The Sparrow, one of Britain's top operatives, who ended up working (rather reluctantly) alongside Robo in parts of Volume 2. An unnamed short "Zine" story set after Vengeful Dead (2021, break between vol. 13 and 14): "Orientation", "Gym Class", "Ben", "Dino", "Astronomy", "Snare", "Game Night", "Olivia", "Prank", "Lunch", "Origins", "Sleep", "Obstacle", "Birthdays", "Movie Night", "Vampires", "Delivery", "Homework" Various short "Zine" stories set after Dawn of a New Era (2019-2020, extended break between vol. A Real Science Adventures story featuring the Sparrow.) "Project Millipede" (2017, break between vol. "Two-Fisted Tales: Along Came a Tyrantula" (2015, ComiXology digital exclusive). 4: The Nicodemus Job (2018, featuring a Caper Crew in 1095 Constantinople). 3: Raid on Marauder Island (2016, featuring the Flying She-Devils). 2: The Billion-Dollar Plot (2014, featuring the Centurions of Science). 15: Atomic Robo and the Agents of C.H.A.N.G.E. 14: Atomic Robo and the Vengeful Dead (2021). 13: Atomic Robo and the Dawn of a New Era (2019). 12: Atomic Robo and the Spectre of Tomorrow (2017-18). 11: Atomic Robo and the Temple of Od (2016). 10: Atomic Robo and the Ring of Fire (2015-16). 9: Atomic Robo and the Knights of the Golden Circle (2014). 8: Atomic Robo and the Savage Sword of Dr.
7: Atomic Robo and the Flying She-Devils of the Pacific (2012).
6: Atomic Robo and the Ghost of Station X (2011).5: Atomic Robo and the Deadly Art of Science (2010).4: Atomic Robo and Other Strangeness (originally.3: Atomic Robo and the Shadow from Beyond Time (2009).2: Atomic Robo and the Dogs of War (2008).1: Atomic Robo and the Fighting Scientists of Tesladyne (2007-08).