To mark the new CBBC action adventure drama Wizards Vs Aliens Newsround's been asking you to send in your alien designs - check them out in our gallery...
Here's a picture of wizard Tom Clarke and espartos alien by Darcie, 12, from Brighton and blue alien Zelli by Hannah, 12, from Merseyside.
Have a look at these Gallitian Warriors by Freddie, age 9, from Caddington.
Jamil from Burnley thinks aliens rule with his drawing and next to it is another great alien drawing sent in by Katey.
Here's a creation by nine-year-old Muhammad from Burnley and next to it is a green alien by 12-year-old Sophie from Liverpool.
Here's a bright blue alien by 10-year-old Matilda from Lancashire and beside it Cosmic drawn by Cherry with lots of planets around him.
Heading in from space is this blue spotted alien sent in by Rami and Zeuse, created by eight-year-old Amy from Hampshire.
Seven-year-old Joseph has drawn this very scary alien and next to it is an alien and wizard by 10-year-old Iris from Sheffield.
Izaya, 14, from London has sent in this great pencil drawing of an alien's head with amazing eyes. But beware, beside it is a red frightening alien created by Fifi, 9, from Buckinghamshire.
Jack's alien is green and ferocious - Jack's aged six from Buckinghamshire. Next to it is a cool creation by 10-year-old James from London with lots of info about the alien.
Nathan's alien creation has lots of bones and six-year-old Rosa's alien Lilly loves pizza!
To mark the new CBBC action adventure drama Wizards Vs Aliens Newsround's been asking you to send in your alien pics. First up is Fire Light by Honey, aged seven, from York and a blue alien coming to get you from Marwan, 10, and brother Riyad, 11, from Kent.
Children at the Key Centre in Birmingham have sent in these three colourful designs with lots of eyes!
Here's another computer creation - an orange alien from seven-year-old Jack from Wrexham.
This colourful alien was created by Sam, who is 10.
This spiky alien was designed by Kaiden, who is 5. It is called a Spoakosaurus!
12-year-old Nishat, from London, sent in these guys.
Jamie, aged 6, from Belfast drew this one!
8-year-old Alex, from Berkshire, made this colourful alien.
Some more great creations. On the left is a red and green alien by Ciaran and on the right a long legged out of this world creature by Jacklina.