Aieee! I find out that this is information from last year's parade, not something new, as I've told my friends. (Our church has its own float in the parade, so I usually only see the groups immediately before and behind us, and missed these skilled information professionals last year.)
I know there is a kayak roll technique called a Pawlata roll. I do not know of one called a Watkins roll (although there may be such). Perhaps the reason for this is given in the quotation below:
The first non-Inuit known to have learned to roll was the Austrian, Edi Pawlata, who taught himself in 1927 after reading accounts by the explorers Nansen and Jophansen. An English explorer, Gino Watkins, learned directly from the Inuit in 1930, but unfortunately he disappeared on a trip to the Arctic soon afterwards. These early European rolls involved levering the body upright from the water with little or no hip flick.