Doja Cat and her dad have brought their beef online, once again. Source: Jemal Countess / Getty The Grammy-winning artist's father has publicly addressed their relationship, fighting back against her claims about him by arguing that Doja Cat has been "brainwashed" by her mother. In now-deleted videos first shared to Instagram, Doja's father, Dumisani Dlamini, responded to the rapper's recent claim that she had difficulty connecting with him while her world tour was in South Africa.