Seeing as this term has been used in many places without a proper definition that may aide our ESL fellows:
A sobriquet, often meant endearingly, for Stan programmers. Often
the stanimal is a developer or expert in Stan who shares and promotes
their Stan programming knowledge. A portmanteau of Stan and animal.
Known Misnomers (AKA): Stanian, Stanizen, Disciples of Ulam (rare).