I've been watching this showing since the old "Grim and Evil" days.
Wow, I was really young back then, wasn't I?
Anyways, this TV Show contains some sexual humor, but not enough to worry about.
(Oh, I love the references to mythology)
It does have it's creepy scenes and it's disgusting scenes. Make that, very disgusting.
The plots are what keeps me watching. Like I said, it's interesting but not a masterpiece.
And if your child starts acting like Mandy, go throw away the TV. Please do.
Now, the bad thing is that this cartoon does a lot of stereotyping. This is frequent and should be discussed.
The social behavior isn't that great either. Mandy is a manipulative bully that bullies other bullies (I know it sounds weird). Grim is a darkly humorous character who acts way too soft to be Death, and Billy is just flat out hyperactive.
Sounds like it's appropiate enough for your kids? Go for it.
And don't blame me if your child starts acting like Mandy or having nightmares.
The TV should've been thrown out a long time ago.