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Screen Shot 2012-10-01 at 5.52

Mal's cat Kepler on in "Sagan and Kepler: an average 8 minutes"

Kepler, also known as Keppy, is Mallory's cat, named after the German astronomer Johannes Kepler. He was introduced in the Vlog on Day 1019. His original name was Sid, short for Siddhartha. Kepler's birthday is on May 24th according to Day 3834.

Kepler is known for being the more energetic cat between himself and Sagan, and he commonly enjoys snuggling and sitting on laps. He likes tampering with household items such as Stephen and Mallory's computer keyboards. His energy can often be seen on the vlog with his interactions of initiating "play time" with Sagan.

As a kitten, Kepler had an extended period of ill health, first noticed by Stephen on Day 1022. His first trip to the vet revealed some stomach issues and a fever. He later developed an abscess, thought to have been caused by playing with Sagan and a fever of 105.4, requiring a second trip to the vet to get the abscess drained and a fresh course of antibiotics. Despite the high cost of the vet trips, Stephen affirmed he was "one of the family". His later recovery manifested itself as a string of behavioral misdemeanors. He later suffered from a bout of ringworm and further stomach issues, destroying a cat condominium by vomiting on it.

Both Kepler and Sagan were intended to be toilet trained as kittens, mainly for the convenience of not having to buy litter and maintain their litter box. Despite early progress, Kepler later started showing erratic toilet behavior. Stephen eventually came to the conclusion the toilet training was causing stress for Kepler, and decided to discontinue training them.

Kepvomtel

An artist's rendition of Kepler vomiting.

Kepler's behavior and ill health in younger life have become notorious to the point they are referenced even when the cat isn't present. During a game of Telestrations, a drawing for 'Dragon Breath' was guessed instead as 'Kepler vomiting', which Stephen later illustrated, prompting a guess of 'Demon cat puke' which Mallory suggested was "spot on" for Kepler.

Trivia[]

  • On Day 2864, Stephen mentions that Kepler will wash Sagan sometimes, but Sagan will never wash him back.
  • For a currently unknown reason, Hayley calls him Kenneth.
    • The reason why was addressed in the November 2017 Q&A video, but Stephen's answer was covered up by the sound of a train passing by.
  • Kepler is deathly afraid of thunderstorms and will hide under the bed or some other piece of furniture when it thunders until the storm is over. He is also afraid of the sound fireworks make (Day 3143).
  • Kepler has been shown to love dry food, affectionately nicknamed Scoop™ by Stephen, Mal and the Twitch Chat.
  • Kepler is the namesake of three horses in the Breath of the Wild Let’s Play, Keppy, Keppy 2, and Big Keppy. He is also the namesake of the horse Kepi in the Tears of the Kingdom Let's Play.
  • Stephen revealed that Kepler has pancreatitis in a vlog in early in 2021.
  • During the November 14th, 2023 Pikmin 4 stream, Stephen mentions that Kepler squints his eyes when he doesn't like the smell of something. He also mentions that one of Kepler's favorite toys is a pickle plushie.
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