Unintentionally scary kids TV characters (mainly UK but you can mentioned other worldwide ones if you want)

For me, the shapes from mister maker used to scare me, as did a few other characters from tv shows. According to my parents I was also scared of the muppets and teletubbies which is weird as I never remember having that much of a fear of them (which would also be weird as I loved night garden) - let me know your thoughts!