is a stuffed pig that previously belonged to The Brain
. It was named after Plato
, the well known Greek philosopher who lived from 348 BC to 427 BC. Plato was first mentioned by the Brain in "Desperately Seeking Stanley
". He said he gave it to someone who appreciated him more, who turned out to be Mrs. Tibble
, as Plato is seen in her doll room later in the episode.
Plato is seen with a new robe in "Baby Kate and the Imaginary Mystery