Coach is a female sea otter who first appeared in the season 4 episode "Sea Otter Swim." She has a pup named Cork. She got her name because she taught the Kratt brothers new swimming techniques.
Background[]
When Jimmy revealed that he isn't a strong swimmer, Chris and Martin took him to meet a sea otter named Coach. They learn that Coach had since became the mother of a four-week old pup who they eventually named Cork. The otters showed Jimmy the basics of how to swim and dive. Thanks to them, he was now able able to consider himself a strong swimmer.
Physical Appearance[]
Coach is an adult sea otter covered with dense waterproof fur. The areas around her head and chest are light tan, while her nose and the rest of her body is dark brown. Her eyes are yellow.