I don't think any of these are stupid...
'Stupidest' isn't a word, by the way.

Sorry, I didn't know stupidest wasn't a word.My bad. =)

I don't really think any of these people r stupid. I think they r all very clever. But I respect ur opinion.

That's a little harsh on Starfire. Okay, maybe that she doesn't know much about Earth customs but who cares.

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she not like a bad chracter its just im saying it in a way that means not smart because shes not from earth sorry star :(

really wow raven isn't from earth u are ughhhhhh STUPID

That's not fair because starfire is not from earth..,,

Starfire is NOT stupid. She's just going through culture shock like crazy. Can you imagine being sent away from Earth on a slave ship and getting dumped on a strange alien planet? You wouldn't know anything about their way of life, just like her. And I'd also like to point out that we do have proof that she's smart. She knows a lot of science, and we know this because she teaches the other Titans about it throughout the series, like when she tells Robin how to travel faster than light in the first episode, and educates Beast Boy on Slade's advanced technology in The Apprentice. She can figure stuff out on her own, too, like when she realizes, by herself, that Robin is Red X, and when she tells Cyborg and Robin not to yell at Val-Yor in Troq because she knows it would endanger their mission. She's not stupid, just not adjusted to Terran ways of living.

Most of my same arguments apply to Jinx and Bumblebee, too. If Jinx was stupid, she would've never thought to break off from the HIVE Five and become a Titan. And neither Jinx nor Bumblebee would've been allowed to lead their groups if they were stupid. Another argument for Bumblebee is her role is season three. She corrects Cyborg a lot in Wavelength, and Cyborg is a genius. She's also the one in Titans East able to resist Brother Blood. How is any of this stupid? I'd find it very hard to prove any Titan stupid, honestly.

I don't think any of them are stupid, I only picked Starfire because she can be disgusting sometimes, but I wouldn't call her stupid. I agree with what Chbftw said. And exactly what does this have to do with couples?