Enraged Elk

The Malicious Reindeer is an Emblem Heartless introduced in Kingdom Hearts χ, it is a boss in Beast's Castle.

Kingdom Hearts χ[chi]
The Malicious Reindeer summons by Gaston to attack the player, Belle and her father Maurice, when his dark aura grows stronger. The player tell Belle and Maurice to go on ahead while taking care the enemy. After the enemy got defeat, Chirithy appears and told the player that the deeper the darkness in his heart, the stronger the Heartless that are born.

Design
The Malicious Reindeer is a Heartless looks like Gaston with the hair style and the clothes wear, holds a makeshift club which is from one of the statue in Beast's castle as Gaston used it to attack Beast in the film.