There's just something about seeing a cute little mini dachshund stand next to a big, rugged German shepherd that gives us all a giggle. When they form an unexpected friendship, it's even better. Just take these two dog siblings, one's an adorable mini doxie, and the other a sweet German shepherd, and their pet parent posted the cutest video on TikTok of the mini wanting to mimic big brother BFF in every way possible, especially when it comes to drinking water.