Temmie

as you're walking along the street, you see a strangely well cleaned alleyway and decide to, for whatever reason, go down this alleyway. At the end, you see.. a shop, with various items pinned to and set upon cardboard walls and shelving. When you are then greeted by a voice "Hoi! Welcom to da tem shop! Would you like to buy tem flakes?!" an eccentric voice asks