Marshmallow

Marshmallow is a character in the 2013 Disney animated film Frozen. He is the personal bodyguard of Elsa.

Official Disney Bio

 * "Marshmallow is an enormous icy snowman born from Elsa’s powers. He serves as a brute bodyguard charged with keeping intruders away from her ice palace. The menacing white beast doesn’t say much, but he packs a powerful punch."

Role in the film
In Elsa's palace, Anna arrives to bring Elsa back to Arendelle. When Anna refuses to leave Elsa when the latter wishes to be alone, Elsa creates Marshmallow to force Anna, Kristoff, and Olaf out of the castle. Anna, however, frustratingly throws a snowball at Marshmallow, angering the snowman. He then pursues the trio until they are cornered at a cliff. Marshmallow then tries to pull Kristoff and Anna back up from their escape rope until Anna cuts it. This causes the two to fall, so Marshmallow takes his leave.

When Elsa's castle comes under attack by Arendelle's soldiers, Marshmallow helps protect it by smashing away the soldiers. However, one of the men, Hans, slices Marshmallow's leg off, causing Marshmallow to become imbalanced. While Hans continues to the castle, Marshmallow tries to grab him, only to lose balance and plummet in the chasm surrounding the castle.

After the credits, it is revealed that Marshmallow survived, and he's seen limping back into the palace where all he finds is a shattered piece of glass. The monster happily crowns himself ruler of the palace and restores his wounded body to perfect health, happily continuing his life on the mountains.