Defendo

Defendo is a Canadian military martial art and a self defence system created during WWII for law enforcement structures by veteran instructors. Underwood had created Combato in 1910, at 15 years old. a "non-boxing or wrestling" unarmed combat system which he taught in Montreal, Quebec, and Toronto, Ontario. Underwood was the first to bring out of the military and start teaching it as Defendo to the general public which grew in popularity because of his efforts.