I DID NOT MAKE IT UP.

John Adams had dogs named Juno, Mark and Satan.
Thomas Jefferson had a dog named Buzzy,
a mockingbird named Dick and 2 bear cubs.
John Quincy Adams had an alligator.
Andrew Johnson fed white mice
he found in his bedroom.

Abraham Lincoln had dogs named Fido and Jip,
goats called Nanny and Nanko, a horse, a rabbit,
and a turkey named Jack.