A1: Lance (Earclacks)
A3: Brandon (50 Ways to Die in Minecraft)
A4: Kris (Deltarune)
A6: Liezel (Papa Louie)
B1: Greg Heffley (Diary of a Wimpy Kid)
B3: Yellow (Deltarune)
B4: Long PC (Object Unicode)
B6: Tango (Dimensional Deep End)
C2: Obsidian Outlaw Player (Terraria)
C4: Lightning Strikes Thrice (Horse Race Tests)
C5: Clementine Surprise (Fuzao's Adventure)
D1: Clover (Undertale Yellow)
D3: Artificer (Rain World) (to save yourself the troubles of spoilers that you'd get from searching it up, PLEASE go to https://rainworld.miraheze.org/wiki/Artificer , where major plot details will be hidden under spoiler notices)
D4: Medic (Team Fortress 2)
D6: Multishot (Infinitode 2)
E1: Desperado (Bloons Tower Defense 6)
E2: Shi (Deltarune)
E5: The Vigilante (Pizza Tower)