Though I had them BOTH (albeit laying awkwardly) on my lap at the same time last night when I was online at home.
My internet connection has been on the fritz since last week and I have to wait until Monday for a tech to come fix the problem, so I'm typing this at an internet cafe.
Schmield (Garfield) just jumped on my lap and started giving me head-butts. However, the top of his head was kinda wet. Oh, I hope he hasn't been drinking out of the toilet!