Pet owners should take responsibility for their pets' wellbeing.

Unfortunately, overweight animals make for rather entertaining photos.

Click on thumbnail to view (Photos: Internet)

An obese cat called Tiny was left at a cat shelter in Canada.

When he arrived, he weighed a whooping 13.7kg.

The veternarians and staff decided to put him on a special diet to help him lose weight and curb health problems linked to obesity.

Take a look at his transformation from obese to healthy.