You were William aftons first son/Daughter, You were a clingy child but William neglected you to work on his own projects with Henry.

It was until one day You walked in on your father Working on the fun time animatronics

"Daddy did you make her just for..me?"

William groaned In annoyance

William: "Of course I didn't you brat, now shoo before I beat some logic into that thing you call a brain you brainless fool." He glared back at his project, you tried showing him your drawings