The Otter boy plays a supporting and "crowd" role in the series. Mostly he is seen in the background with others when Alfred investigates. He has not been involved in any of the mysteries directly, but has spoken few lines.
He may be related to Otter girl.
He appears to be ten years old, but a bit taller then Alfred and Co. His fur is an off brown-grey color while he has cream-white coloring on his muzzle, neck, and torso. His eyes are light brown and he has a dark brown nose and short spiked violet colored hair and thin otter tail.
Otter boy wears a like orange and burnt-rusty red orange polo shirt with light yellow at certain parts with green three quarters pants, and yellow and orange shoes. Normally Otter boy also wears a blue, back turned cap.
- He appears to have a sister.