Times where the hero creates their own villain in Webcomics.
- 8-Bit Theater: The less-than-heroic actions of the Warriors of Light eventually result in Sarda learning how to warp reality and going back into the past to make their lives a living hell. It works both ways, too; Sarda's manipulations helped to make the Light Warriors what they are (three out of the four already had varying degrees of villainous tendencies, but it was Sarda who sent them all over the world, making them stronger and giving them more opportunities to wreak havoc.
- In Darths & Droids, Jango Fett is a private detective with a vendetta against Obi-wan Kenobi — because Obi-wan killed his partner, Darth Maul.
- Evil Plan: All is going well for Dr. Kinesis until he loses his upgraded telekinesis chip. The boy who ends up finding it uses the newfound power to fight crime and as there is only one super villain in Urbane City that means Kinesis accidentally created his own arch-nemesis.
- Girl Genius: Klaus trying to get Agatha restrained because she might be a threat not only causes her to leave his own airship where she was safely contained, it also leads to events where she becomes possessed by the Other.
- In Homestuck, Vriska manipulates events so that Jack Noir get the powers of a First Guardian, turning a powerful but still beatable villain into a near invincible Physical God. The Twist? All this would have happened, anyway — Vriska just retconned reality to make herself the centerpiece.
- Magick Chicks: For the most part, life's been pretty good to Melissa, though she wasn't very good to her friends. Inevitably, by the time she realized that
, it was already too late; particularly where Cerise was concerned. Not that Cerise was ever much of a friend. But between Melissa's good fortune and repeatedly mistreating Cerise, who felt stuck living in her shadow... yeah. She finally lost it and decided to get rid of Melissa. - Parodied in the Problem Sleuth Fan Commands. The titular character summons the Midnight Crew to help him take Mobster Kingpin down. Spades Slick tries to intimidate him with one of his playing cards, and PS responds in kind with a hand of his own... only to realize too late that he just flashed a stack of gay porn cards at them instead of the playing cards he thought he had. The Midnight Crew is so thrown off by this that they quit, join up with Mobster Kingpin, and menace them in every fan command they show up in afterwards.
- The LOL Bat from PvP beats up a guy when he accidentally commits theft. The courts mistake him for a budding supervillain due to his friends calling him the "Mad Hater" as a joke and place him in an insane asylum. The guy goes mad for real and takes his pre-existing grudge with LOL Bat to murderous levels.
- Saturday Morning Breakfast Cereal: The scientist believed that the AI he'd made would be Turned Against Their Masters — turns out it just planned on tinkering with some new programming software, until being told the above.
- In The Search For Henry Jekyll, despite being a villain himself, Hyde creates a villainous rival when he injected Dr. Lanyon with HJ7.
- Stand Still, Stay Silent: When ghosts attack the main characters, Onni uses a spell to get them out of the tank. The spell has the side effect of merging them together into a Mind Hive that starts assimilating spirits of both other humans and animals that have fallen to the Plague Zombie disease, and eventually becomes the leader of a mixed troll and ghost herd entirely dedicated to going after the main characters, with the purpose of either killing or assimilating them. Onni mentions that the ghosts making up the original being were of a type he had never encountered before, which hints that the spell only has that effect on that specific type of ghost and not on the ones Onni is used to repelling.
- Vengeance Joe from the (sorta-dead) webcomic Van Von Hunter seems to fit. He ended up becoming a minor villain to the title hero when Van didn't introduce himself properly while passing through a town and Joe became insulted, swearing vengeance on him.
- Zebra Girl: Gregory's actions to drag Sandra to hell were the last straw for Sandra, pushing her over the edge and leading her to embrace her demonic nature.
