Mushroom mod is an amazing* Minecraft mod that tries to bring my wonderfully useless cat in Minecraft by recreating most of his traits
Key features :
-Mushroom (the entity)
-Mushroom is a passive entity, it never runs away when attacked -Mushroom is very slow -Anyone can cuddle it and get some Mushroom's hair
-In Minecraft, we can shift-click to do cats and dogs sit down. But Mushroom is different : it lays on its back.
-You can get Mushroom's breath by right-clicking on it with an empty bottle
-You can tame Mushroom with cat food
-It drops poop, every ten minutes (and it is totally useless for you)
-Mushroom spawn egg (hairy egg) can be crafted using one egg and eight strings to spawn Mushroom. (Mushroom doesn't appear naturally, you need to craft it)
-Cat food can be crafted using fish, egg and wheat to tame Mushroom
-Mushroom whool underwear can be crafted using four Mushroom's hair to be super fashion (warning it itches!)
-Mushroom's breath is very stinky : when thrown on the floor, Mushroom's breath gives a nausea effect to nearby players.
*information based on the impartial opinion of the creator of this mod