Most families aren’t mixed. If it makes you feel any better the detective from Disney’s tv series cartoon “Gargoyles” had a mixed heritage. Her mother was a latina and her father was black.
Marc
WHOOT!
4 of 4!
Ordering a new bartending book, and trying to figure out what flavor of icecream to make this weekend.
Oh yeah and I should be doing some work sometime.
Oh! I know! I know! Atlantis!
But you forgot the Mole. 
Whew, I was beginning to think that my first attempt at flirting on the boards was a big failure.
IIRC it was twother way round.
Elisa Maza’s mother shows up in the episode with Ananse, the spider. Mom’s voice was provided by (tip of my tongue…Michelle Nicholls? You know Lt Uhura).
Dad shows up in an episode with (crap was it Raven or Coyote?). His heritage includes Mexican and at least one southwestern tribe (can't remember which one.)
Elisa looked Hispanic, while her brother looked Afro-American. Then, bro was turned into a winged panther-man. Now, that's a diverse family.
Had the series continued, the family would have had even more variety in the next generation. Elisa was moving into a serious relationship with Goliath-a 1000 year old, winged, clawed, grey-skinned, guy from Scotland (or was it Ireland?) who turns into a statue from sunrise to sunset.
Static Shock-
On the subject of diversity in cartoons, I recommend this. Static is one of the few black heroes not have a name with black in it (Black Lightning, Black Panther, etc).
Sorry Easy E, but I do have to do what I’m paid for, every now and then 
Prince of Egypt hinged on the fact that the main character was of a different background from his family. Of course, it was not an original concept :), but there it is.
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I think it’s permissible when promoting a kids’ film. Or at least a film that’s supposed to be okay for kids, even if it also appeals to adults. The commercials for Chicken Run emphasized the danger element (“The odds are a million to one!” “So there’s still a chance!”) but ended with all the chickens in the “old crate” cheering “We made it!”. Kids won’t want to see a movie if they think it might end badly.