@checkthisout is @grumpycat.
Self Vote Abuse has been rampant on Steemit for some time, @checkthisout just made it impossible to ignore any longer (and may have been one of his objectives)
https://steemit.com/steemitabuse/@steempolice/steem-has-no-future-unless-self-vote-abuse-is-stopped-steemit-inc-and-whales-do-your-part