The Timekeeper, special ability: able to stop and rewind time for both himself and the player (doesn't affect health)

holy shit its watchman

R/BOSSFIGHT

The Pac is back Ghosts chomping at his feet Pac's our hero Pac just can't be beat, yeah! Pac-Man yellow, Pac extreme He's a chowing down machine Ghosts, monsters, ghouls, and only one can stop them Pac-man rules! The Pac is back Ghosts chomping at his feet Pac's our hero Pac just can't be beat The Pac is back!

boss theme (phase one):
https://www.youtube.com/watch?v=epCTCrYAhSE
boss theme (phase two):
https://www.youtube.com/watch?v=GNKMkyiH7aY
boss theme (final phase):
https://www.youtube.com/watch?v=EVcYT3jE8_Q

In the final phase he stops trying to attack you and instead tries to dodge all your attacks, you can still damage him by using long-range weapons, after he is at zero health, you have the option to either spare him or execute him, executing him will make you move towards the genocide ending, sparing him will move you towards the pacifist ending.