Constable Growler (Also known as PC. Growler and Officer Growler) is a charcter in the Rupert Books and TV Shows.
In the television series he is voiced by Allen Stewart-Coates.
Constable Growler is one of the village policeman in Nutwood who is friendly and has a good sense of fun.
He appreciates Rupert and his chums' help in solving cases.
In the television series, he constanly says that he must do everything by the book.