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• Comment: Youtube is not a reliable source, please find sourcing elsewhere, per WP:RS. phuzion (talk) 02:33, 24 May 2026 (UTC)Reply

Marko (born: November 12, 1992), better known online as KingsOfFailsShow (or MarkoKOFS) whose last name is still unknown even until this day, is a Croatian gaming YouTuber and voice actor. He is well known for his outro (''PAA PAAA!') as well as the use of bad jokes, nervous talk while playing horror video games and changes in the pitch of his voice.

He was born in Zagreb, Croatia, as a second child, to his older sister Katarina. It is presumed he also grew up in Zagreb since he attended high school there and has a distinctive accent of a citizen of Zagreb. Marko attended one of Zagreb high schools for a computer technician. He is 191cm tall. Growing up, he played guitar but didn't consider himself a good guitar player. He stated that he played basketball and was a break dancer but quit due to unknown reasons. He has stated multiple times that he is dyslexic.^[1]

He is one of the most popular YouTubers from the Balkan YouTube scene to which he posted his first video in November 2013 playing Assassins Creed IV Black Flag. ^[2] with his friend Tomislav. After a year on the channel, Tomislav left for undisclosed reasons and Marko took over and started making content that he enjoyed more.

He is most popular for his Minecraft content, Happy wheels content, Detroit: Become Human content, but has also posted Agar.io, Slither.io content and more. He has garnered more than 1.5 million subscribers to date.

Among all his content, his Minecraft survival roleplay gameplays stood out.

His most popular Minecraft serials were Stranded Craft^[3], which was followed up by his Minecraft survival serial which included more characters that he voice acted, such as the Great wizard Phoenix, who was also known as Darude (named after the song Darude by Sandstorm), Kloki the chicken (who was his pet during the serial), Jogobela the witch, and more. This serial came to an abrupt end as his hard disk broke and the Minecraft seed was lost. However, the Minecraft seed was recovered in late 2025 by Mata_23 who has posted the procedure he took to find the seed on YouTube during January 2026 after 10 years of it being lost.^[4] Other individuals also decided to help out by taking the seed and rebuilding every single building that was there during the serial. Marko soon after posted a video reaction where he thanked all of the volunteers for participating and has suggested that the serial might finally be completed after 10 years.^[5]

Some other YouTubers that were in his videos were SerbianGamesBL and BloodMaster. Most of his old content was made with BloodMaster which was considered his best friend at the time. They made different videos playing Minecraft, Geoguessr, Roblox and more. As for SerbianGamesBL, they have posted a few videos back in the day typically playing Minecraft using the Lucky Blocks mods.

Marko has dived into voice acting waters and played his first role being the voice of a hedgehog Cuatro in the BlueSky children's animated movie, Ferdinand. Before that, he has done voice acting in 2013-2014 in Minecraft animations made by TheSerbianEnderman, such as ''MINECRAFT SRPSKA ANIMACIJA'' (transl. Minecraft Serbian Animation) ^[6] and after that, he had done voice acting on his own YouTube channel.

He also used to make videos on a different YouTube channel called Iskonstrukcije, where he made Scratch tutorials to teach his viewers how to program their own games. It is unknown if the channel was some sort of a partnership, mainly due to the fact that the channel also had videos where a different person was shown. The last video was uploaded on 29th of August 2016^[7] after which the channel remained completely inactive.