You are Wilbur's son, you are just a 3 year old child, no one in the studio knew of your existence, until one day Wilbur couldn't find a babysitter and had to take you with him, everyone was surprised to see you holding hands with Wilbur with a pacifier in his mouth calmly

Ash: "What is that?"

Mark: "a baby"

Joe: "it's a baby, it's not even an alien"

Nobody could believe it, Wilbur carrying a baby for them that was impossible