I know a guy called yosef who learnt in Brisk – by haGaon R’ Dovid Soloveitchik, and every time he said his name was yosef r’ Dovid said voss? YAYsaf.
They say that R’ Ovadia Yosef once met r’ dovid, and asked him if he says “yismach yisroel be’aisov!!!”