Amzingly, after years of searching, the young girl learned her father had indeed survived being burned in the plasma furnace of the virus lab, and had been living under a new name.
Proffesor Yam as he is now called, had finally made it home to find out that the life insurance company had sent his family a large lump sum of cash, which he took to start his new life.
He decided that if he were to be a new person, he would unleash his inner socially rejected freak, hence the weird outfit.
Oh, wait.. I'm getting news, it seems he tried to be cool.