Niftski

Niftski is an American speedrunner who is the fastest person in history to ever complete Super Mario Bros. at 4 minutes, 54 seconds and 565 milliseconds.

He also holds other world records for the video game and was the first person to beat it in less than 4 minutes and 55 seconds.

To make this time, he had to add a technique called "Lightning 4-2" to his run, which shaved fractions of a second off that stage of the game.

[13][14] Orland describes Niftski's video showing a heart rate of 188 BPM, and his tearful reaction following the run, telling himself to "Get oxygen, dude".

[12] Dustin Bailey of GamesRadar+ describes Niftski's reaction at the end of the run "a genuine all-timer that really helps sell the significance of the accomplishment.

"[14] During early October 2023, Niftski became the fourth person in the world to hold all Super Mario Bros. main category speedrun records simultaneously, joining AndrewG, Darbian, and Kosmic.

[16] Niftski has also holds world records in Super Mario Bros.: The Lost Levels and various other games,[17] and he also speedruns ROM hacks.