A ventriloquist's partner is called a "dummy" or "ventriloquist dummy." This figure is typically a puppet that the ventriloquist manipulates while performing, creating the illusion that it is speaking independently. The dummy can range from simple designs to more elaborate characters, often with distinct personalities and voices.
These entertainers are called ventriloquists.
Orvil was a famous green duck wearing a nappy, it was as a ventriloquists dummy.
Automatonophobia.
yes
Autonomatonophobia is the fear of ventriloquists' dummies, animatronic creatures or wax statues -- anything that falsely represents a sentient being.
Marie Poppins and the chronicles of bethlehem, Part 2 the chase of the ventriloquists camels toe
An uncle's partner is called aunt.
Ventriloquists.
A possessed one.
Most likely there greatest fear is for their puppet to be lost forever.
They are called accomplice.
Its called a Mare