Melissa mccarthy revenge cousin jenny mccarthy, Little known fact: melissa mccarthy is cousins with jenny mccarthy. i mean, they obviously have the same last name, but people don’t often make the. Related: jenny mccarthy slams critic attacking melissa, Victoria will/invision/ap comedian, actress, and author jenny mccarthy. mccarthy came out with a vigorous defense of her cousin melissa.. Melissa mccarthy cousin jenny mccarthy feuding, Cousins melissa mccarthy and jenny mccarthy are “feuding over melissa’s refusal to help jenny reboot her sagging career,” claims star. the tabloid says the emmy.