Dog

"Dog" is a character that appeared for one comic back in January 14th of 2018. It was confirmed by the man himself that they kept the dog as a pet.

Physical Appearance
"Dog" has a tan tone to its fur while having darker ears. It also has a footprint on its back from having been stepped on by Triangle Man.

Personality
Despite being stepped on, it looks genuinely happy.

Debut
Its first and only appearance was in #45.

Triangle Man
Trianlge Man was the one who stepped on him, but did bring home because he felt bad.

Square Guy
He is one of the two owners so things could be working between them.

Trivia

 * It is still their pet.