Feat: Familiar
Magus, Sorcerer An animal serves you and assists your spellcasting.
Wizard You make a pact with a creature that serves you and assists your spellcasting.
Thaumaturge Whether by following occult rituals, piecing together scraps of arcane theory, or some other method, you've called forth a creature that now serves as your constant companion in your studies of the supernatural.
You gain a familiar.