Don’t be silly! Simcha was the name of many gedolim: R’ Simcha Rappaprt (which R’ Yonoson Eibshitz in Sefer Yeoras Dvash praises highly); Reb Simcha of Vilhozin, student of the GRA; and of course the Chofetz Chaim, R’ Meir Simcha of Dvinsk (plus countless others)!
