Rodeo?

"Ok honey, let's get going, so we can pick up Dev."

"Devereaux, mommy."

"What?"

"His name is Devereaux."

"Ok, yes. But Dev is his nickname, right?"

"DJ is his nickname."

"DJ is your dad's nickname."

"No, it's Devereaux's"

"Ok. Hey, what's your nickname?"

"Rodeo."

"Rodeo?"

"Yes, Rodeo."

Ok...learn something new everyday...