19 photos of good pets gone adorably bad

When your pet is born, it is nothing but a bundle of sweet, fluffy innocence. The little fellow looks up at you with wide eyes for guidance and greets the world with childlike exuberance. But then, the teen years hit. Suddenly, your sweet kitten or puppy changes. Fido joins an all-dog band. Fluffy dyes her fur green. You can't seem to reach them. You try taking doggie treats away, removing scratching post privileges — nothing works. Stay calm, pet owners. Usually, it's just a phase. Just keep telling them you love them and, if all else fails, call animal control. A night in the shelter will teach 'em about coming home smelling like catnip.

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