Which original Dragons' Den investor was known by the nickname the “Rottweiler”?

Duncan Bannatyne was the original Dragons' Den investor known by the nickname the “Rottweiler.”

Bannatyne became associated with the label because of his forceful questioning style and uncompromising approach to business pitches. He was one of the original investors when the British programme began in 2005, alongside Peter Jones, Theo Paphitis, Rachel Elnaugh and Doug Richard.

His business career included health clubs, hotels and care homes, and he was widely recognised in Britain before and during his television career. On the programme, he often focused closely on the numbers behind a proposal, including margins, valuation and the entrepreneur’s requested equity.

The nickname is a description of his television persona rather than his formal title or the name of a business. It is also easy to confuse Bannatyne with other assertive dragons, particularly Theo Paphitis, but the “Rottweiler” label is specifically linked with Duncan Bannatyne.