We call them Timmy O. and Timmy Z. Or, collectively, "the Timmys." As in, where are the Timmys? Has anyone seen the Timmys? What do the Timmys want to drink? Are the Timmys in bed yet?
After Timmy O. goes home, my Timmy always tells me, "MOM, you can stop calling me Timmy Z. now. I'm the ONLY Timmy."But the fun thing is--he's really not. And he'll always have that connection to his first cousin.