Grundig was a chimpanzee who lived in the territory of Central City in the late 31st century. He was one of the city's council members and a close confidante of Zaius. Grundig was present on the day that a formal inquest was held against the renegade humans Alan Virdon and Peter Burke. During the trial, Grundig posed the question "Do you believe humans and apes are equal?"
The only information available about Grundig comes from the "Escape from Tomorrow" shooting script. The character is never referenced or addressed by name in the episode, though his name does appear in the closing credits.