Muttrout

Abilities:

 * Has razor sharp claws and teeth.
 * Has a great sense of smell and ear.
 * Can breathe under water
 * His skin is very slippery so it makes it difficult to catch him.
 * Can get into pipes and swim inside them.

Weaknesses:

 * His senses are too sensitive, so it is affected by some high pitched noise or strong odor.
 * If is cold or sick, when sneeze  his nostrils would fill with mucus, preventing him hear and smell and breathe underwater
 * His small size gives it great disadvantages against larger opponents