Ahu

Species: Dog
Gender: Male
Age: 13
Birthdate: May 4
Height (without hat): 30cm
Height (with hat): 35cm
Fur-Colour: Brown
Eye-Colour: Black
Zodiac sign: Taurus

Ahu from To Be Hero X is a small, brown dog, who typically wears a black fedora given to him by Hero X.

(Source: To Be Hero X Wiki)