Candi Reveals Her Real Job
Nothing beats a cartoon whose jokes are both funny to the kids as they are to the adults. After firing Dee Dee, Dexter started looking for a new character to play the role of a troublesome old sister. He hired Candi to act the part.

Source: Reddit
Conversations between Dexter and Candi seem normal to a child, but an adult will understand them better. In one of the conversations, Dexter tells Candi that he would like to see her dancing, but she looks at him and says, “Ok, but it is 50 bucks extra.”