DIY Knit Cactus Mittens Free Pattern from Fyne’s Designs. This knitting pattern is for knitting beginners. Also you can easily change the pattern size to fit little kids, kids, women and men.
If you are a more experienced knitter you could try the DIY Knit Supernatural Winchester Anti Demonic Possession Mittens from Just Crafty Enough here.
Then there is the prize for the best named DIY Knit Mittens: Smitten Mittens. This is a Free Ravelry Pattern by Julie Weisenberger here.