X-Mas Zombies 2019

Summary
During the R2DA Christmas Event 2019, these zombies can be bought with gamepass(es) and can be equipped via the Mob Skincrate. They can be kept if they are bought. Only the Normal Zombie has a 10% chance of spawning during the event. Without a gamepass, you cannot spawn the other types of mobs.

Background Story
blargh all i want for christmas is a costume

Costumes

 * The Brute is a viking.
 * The Edgar is a king.
 * The Stalker is a sweater-wearing Christmas enthusiast, i guess
 * The Leaper is a caveman, judging by its bear fur coat.
 * The Elemental is a skiier.
 * The Ticker is a mountain climber(?).
 * The Swarmer  is a miniature version of [REDACTED].

Trivia

 * Sixth event costume for zombies.
 * This is the first costume series to have some of its costumes to purposely affect gameplay (the fact of the Ticker's costume exploding after the tanks have drained.
 * This is the fourth costume pack to not include certain zombies.