Writing Challenge Blog Voice and Style

Having just fought off the death jaws of a killer grizzly with only his hands and a rusty butter knife, Sampson pulled his kayak out of the brush and into the raging river.

"Sampson! Isn't there a waterfall at the end of the river?" exclaimed his female companion who had taken refuge in the back seat of the vessel. Sampson ripped a part of his shirt with his teeth and tied the scrap around a deep gash on his shoulder. 

"Waterfall? You mean kiddie slide?" He laughed as he dipped his muscled arms into the water and began navigate right into the rapids.