A childhood belief about belly buttons

Two stories. When I was young I and my cousin tricked his brother into thinking his outie belly button had one of those Aliens inside it and that if he let anything touch it, it would begin to grow until it bursted out of his tummy. He was so scared he always wore his shirt above his belly button, and cried when his mom/my aunt made him put it down.

Also my Grandfather who is fat had to have his belly button repaired because of a hernia so it was big and deep after it healed, much bigger than a normal belly button and he told me that he had an accident while playing baseball, and that the pitcher hit him in the belly button with the ball so hard it got stuck inside and that the doctors had to come take it out, and it just stayed that way. Cool thing is it was deep and big enough he could stretch it to fit a baseball inside, my Grandmother however hated when he did this, she embarrassed easily.