Assistant Chief Constable Thereseaminbehindyer (played by Terry Jones) is a police inspector who tries to solve the murders of Inspector Tiger and Chief Superintendent Lookout. He made his appearance in the 11th episode of the first series.
Just like with the previous lawmen, the characters shout out his name in surprise, but this doesn't confuse him, even though in reality there actually is another police officer standing behind him.
He also tries to reconstruct the murders, even shooting a constable, but is killed off in the same cartoonish style.