Before you call this guy a "hero" for what he did, consider for a moment that whatever this guy's likely motive was you can be sure it had nothing to do with wanting to "help" the animals.
One of the things I can't get over? Despite how much these dogs have been through, you can still see how hopeful they seem. They just need find loving homes.
In the video, the viewer can see Fonseca beating and kicking his dog--both with a closed fist and a piece of wood. He also is seen with his hands around the dog's throat.