These are the worst babysitters of all time! For this list, we’ll be looking at people convicted of horrible things while entrusted with children.

The judicial system failed these victims in the worst way imaginable. Welcome to WatchMojo, and today we’ll be looking at the most tragic cases where convicted serial killers were released early from prison, only to prove that leopards truly cannot change their spots.

These are the worst serial killers of all time. For this list, we’ll be looking at the creepiest multiple-fatality felons that kept us up late at night due to their terrible actions and unsettling behavior.

Ever wonder what the alphabet would look like if it consisted of the absolute worst sci-fi movies? Join http://www.WatchMojo.com as we teach you the ABCs of Bad Sci-Fi Movies!

What the hell, hero?! Welcome to WatchMojo.com and today we’ll be counting down our picks for the top 10 worst things TV heroes have done. For this list, we’ll be looking at the worst acts committed by heroes on television. We’ll be excluding protagonists whose morality is permanently compromised, like the titular serial killer from “Dexter.”

This symbiote and host pairing have no interest in playing antihero. Welcome to WatchMojo.com, and today we’ll be counting down our picks for the Top 10 Worst Things Carnage Has Done. For this list, we’ll be looking at the most depraved, shocking and abhorrent acts ever committed by the villainous Carnage. Please note that we’ll be considering the actions of both the Carnage symbiote and Cletus Kasady without the symbiote, because really… Carnage’s legacy of brutality is a combined effort of both symbiote and serial killer.

In the realm of "Marvel vs. Capcom," not every fighter is a powerhouse. For this list, we're diving into the 10 worst characters you wouldn't want on your team. From joke characters like Servbot and Dan to underwhelming heroes like Hsien-Ko and Ghost Rider, these fighters bring more frustration than victory. Whether it's poor mobility, weak combos, or just plain ineffectiveness, these picks are best left out of serious play.

These comeback songs fell flat. Welcome to WatchMojo, and today we’re counting down our picks for the worst songs artists used to hype up their grand comeback, only to leave us wishing they’d stayed away.

Why so serious? Welcome to WatchMojo, and today we’re counting down our picks for the worst, most horrifying, and most despicable things DC’s Clown Prince of Crime has done in his history.

These live music performances fell flat. Welcome to WatchMojo, and today we’re counting down our picks for the worst live performances ruined by the artist or crowd.

These fighting game bosses hardly pack a punch! Welcome to MojoPlays, and today, we’re making punching bags out of the 10 worst bosses in fighting games. Note that we aren’t focusing on difficulty, moreso on design, hype, and whether they even follow the game’s rules.

Dive into the frustrating world of gaming with our list of "The 10 Worst Sections of Great Games." From tedious escort missions to confusing level designs, these moments tested players' patience and skills. Despite these challenging sections, the games themselves remain beloved classics, highlighting just how exceptional the rest of the experience truly is.

Every Gilmore guy has his moments, good and bad. Welcome to MsMojo, and today we’ll be looking at the best and worst relationship moments from the most significant men in the “Gilmore Girls” world.

WatchMojoUK counts down the 10 Worst Great British Bake Off Creations.

The "ghost with the most" has had a lot of ups and downs in his career as a bio-exorcist. Welcome to WatchMojo, and today we’re looking at the moral highs and lows of Betelgeuse as it relates to his best and worst antics across the Tim Burton-helmed film series.