Separated at Birth?

from the amazing mind of ghostfinger, I bring you…

2 and a half men set (click for larger versions):
2.5 men set

with Laverne and Shirley, the California year(s):
L&S set 1
L&S set 2

Same set or same set designer? Also, from what tangled recesses of her amazingawesomerandom mind did ghostfinger pull this one from?