Making aliens look cute is a tricky thing to get right in kids’ entertainment. Make them too weird-looking, and you could freak out your audience. Make them too adorable, and you run the risk of them looking more like plush toys than creatures from another planet. And then sometimes you make them look cute… but forget to prevent them from acting like hideous, depraved monsters.
Source: Gizmodo – 12 Aliens That Were Supposed to Be Cute But Are Actually Terrifying