I think this is another one https://umd.net/sheffcouple

I feel like the images have been taken straight off of someone's Insta feed

removed again it seems...

Here we go again?

https://umd.net/extremelymessy

Another one that needs investigation, the number of photos uploaded and the date of joining the site made me a bit suspicious.

https://umd.net/mrhungry-2

It does look fake Mr. Hungry is on social media, he posts videos of him eating different foods or drinks. Once he does he turns into that item. His videos are wild but very fun. I don't think this is really him.