Endermite Pet

The Endermite Pet is a craftable Pet unlocked at.

Kat Caretaking Costs
Kat can upgrade all rarities of this pet except legendary; this costs varying amounts of money and sometimes resources. For each level the pet has, there is a 0.3% discount. For example, at level 50 there will be a 15% discount to the price listed below. Also, the cost listed is for the pet of that type to be upgraded, after which time the rarity will be that of the above type. The time listed is also in real life days as opposed to the in-game equivalent.

Trivia

 * This is a decent pet for grinding Zealots, because the player doesn't have to stop and empty the inventory, or craft enchanted ender pearls every few minutes. However, with a sack or personal compacter, you no longer have to do this making the Endermite Pet less useful. Thus, an Enderman Pet can be used with a combat sack.
 * However, the Endermite Pet still provides speed for consuming ender pearls.