Ookie.

One of my uncles called me ookie starting when I was very small. I wasn't clear on the origin except that it sounded like a play on Erika

At one point, I even had Mickey Mouse ears with Ookie embroidered on them.

Then, the Addams Family movie came out, and I realized that the theme song went:

"They're creepy, and they're kooky. They're altogether ooky."