You have to watch him steal a toy from her, it's way too funny ... Related: Dad Helping Baby Practice Chasing Their Teacup Yorkie Is an Inspiration to All Zilla the Yorkie was an only child ...

So, recently, one Teacup Yorkie took it upon himself to face a big enemy and defend his sister's honor. When he saw that crab toy, he knew he had to do something, and he did: Zilla the Yorkie is ...