Simply vanilla-style mobs, move this page later.
Tameable & Passive
Fire Wisp
A wisp from the Nether, tamed with Fire Sparks. It will light up caves, burn mobs, and give you Fire Resistance when fed Fire Sparks. Fire Sparks are also used to craft armor and weapons.
Water Wisp
A wisp from the Overworld, tamed with Sea Shards. It will help you swim faster, attack mobs, and give you Water Breathing when fed Sea Shards. Sea Shards are also used to craft armor and weapons.
Earth Wisp
A wisp from the Overworld, tamed with Earthly Rocks. It will ?, ?, ?
Thunder Wisp
A wisp from the Overworld, tamed with Electro Sparks. It will protect you from lightning, hit mobs with lightning bolts, and give you Speed when fed Electro Sparks. Electro Sparks are also used to craft armor and weapons.
Void Wisp
A wisp from the End, tamed with Void Shards. It will teleport you when in danger to a safe place, attack mobs, and give you Jump Boost when fed Void Shards. Void Shards are also used to craft armor and weapons.
Soul Shroom
A mooshroom variant from Soul Sand Valleys. Tame it using bones. It will do lots of things for you.