Goodbye Roomba Cat! RIP Max, The Roomba Shark Cat

Former viral sensation Max the Roomba shark cat has passed over the rainbow bridge into kitty heaven.

Max the Roomba Cat / Facebook

The sad news was shared last night on Facebook, where Max's human, Helen Jurlau Arnold, penned a heartfelt goodbye to her beloved pet.

According to the memoriam, the striking snowshoe/siamese mouser succumbed to cancer just shy of his 16th birthday.

One of YouTube's first cat stars to build a mass following, Max rose to internet fame after he was cast as a supporting player in videos featuring his "brother" Sharky, a lovable pit bull who passed away himself in 2014.

The duo would routinely cuddle with a unlikely menagerie of fuzzy critters — baby chicks, bunnies, lizards, and more — and YouTubers eagerly lapped it up.

Max stepped into a leading role in 2008 when he was recorded casually chilling atop a spinning robo-vac. Viewed more than 3.6+ million times, that clip (embedded below) would spawn a raft of parodies, copy cats, and cat-on-Roomba memes.

Future videos would riff on variants of the same script but it was only after he was garbed in a shark costume — originally purchased, as lore would have it, for Sharky — that Max's status as an internet A-lister went full supernova.

Appearances at BuzzFeed ("The Internet Has Peaked"), People, The Colbert Report, Animal Planet, and even a safety video commissioned by Delta Airlines followed in short succession, as would a nomination for the Golden Kitty Award at the 2013 Internet Video Film Festival (an honor subsequently bestowed on none other than Grumpy Cat).

Below: Some additional pictures of the dearly departed.