What's the deal with Mcdogdog guy?

can someone fill me what has happened? how did this happen and when was it?

https://preview.redd.it/sjtumgoypcge1.jpg?width=650&format=pjpg&auto=webp&s=ff4738290ad952900a0659db03bb0f706f459dac

https://preview.redd.it/lfxfv0r7pcge1.png?width=736&format=png&auto=webp&s=2a3de0f49e8e2754a18024235173bf90b00db713