The Grimace type (Japanese: ミルクセーキタイプMirukusēki type, Milkshake type) is a fanon Pokémon type. The majority of Pokémon categorized as purple in Pokémon Home have this type, plus a few others.
The Grimace type is super effective against and resists the Normal and Dark types, due to Grimace's tendency to kidnap or kill normal people who drink his milkshake, and the fact that he is most active at night.
The Grimace type is super effective against the Grass and Fashion types, inspired by the Grimace Shake's blueberry flavoring and how influencers that do the Grimace Shake trend tend to end up with milkshake all over their clothes.
The Grimace type is super effective against and immune to the Psychic type, owing to how the fear caused by Grimace's terrifying presence renders psychic powers useless.
The Grimace type resists the Poison and Yeehaw types, because poison substances and handguns aren't going to do much to a being as powerful as Grimace.
The Grimace type is weak to the Fire and Clean types, respectively inspired by the fact that the only way to not get caught by Grimace is by not drinking the Grimace Shake, and one of the most effective ways to do that is to destroy it with fire, and how the Grimace Shake is easily washed off of clothes.
The Grimace type is weak to and resisted by the Water type, because another way to destroy the Grimace Shake is by washing it away with water.
The Ice type is super effective against and immune to the Grimace type, owing to how freezers freeze milkshakes such as the Grimace Shake and render them undrinkable.
The Ghost and Ground types resist the Grimace type, because ghosts not only cannot drink things, but are also already dead, meaning they're impervious to the Grimace Shake, and a good way to get rid of the Grimace Shake is by pouring it onto the ground.
The Grimace type is immune to the Fighting type, inspired by how Grimace is so powerful that no amount of muscle or martial arts can stop him.