This little kitten will certainly grow into his spectacular mustache. (via Imgur)
We normally don't consider skateboarding to be a particularly gentlemanly activity, but for a bunny as classy as this one, we'll make an exception. (via PawNation)
Sporting a classic Fu Manchu mustache, this cat would really appreciate an intellectual conversation over a cup of organic steamed milk. (via Buzzfeed)
The handlebar mustache suits these birds very well. (via Bored Panda)
This gentleman looks just like our Schnauzer Slippers! (via Dog Avenue)
You know he just wants to sit down and play a game of chess with you. Or fetch. Probably just fetch. (via Imgur)
This tamarin monkey's mustache is seriously impressive. (via Kevin_Barret Wikimedia Commons)
http://instagram.com/p/omfKz8QYzR Gentlemen enjoy sitting in boxes, too. (via @okithecat)
A gentleman is never without a bow tie. Okay, it's a bow, but close enough, right? (via Imgur)
This wee one will soon learn that with great mustaches comes great responsibility. (via Imgur)
The mustache on this puppy rivals even the great Ron Swanson's facial hair. (via Cutest Paw)
When you have a mustache as classy as this one, it's important that you keep yourself well groomed. (via Reddit)
The ever elusive mustache au natural. (via Buzzfeed)