The Ooga Booga Man and the Ooga Booga Catcher

I picked Erin and Jill up at 1:00 yesterday after Chance Camp.  We went for frozen yogurt and then headed back to their house.  One of the things we played in the backyard was the Ooga Booga Man.  The Catcher has to catch the ooga boogas.  we took turns being the catcher, partly because they wanted to be the catcher, and partly because I can't catch them.  Ooga Boogas can fly, can be invisible, have magical powers.  But if the Catcher catches an ooga booga, the ooga booga is taken to the lab and has its blood drained out of him or her.  Two dainty little girls who can burst into tears one minute if a sister says something that hurts her feelings; next minute - backyard draining blood of the ooga boogas.  That was yesterday.