You can create your own "The LEGO Movie" character by going to the TheLegoMovie.com and using the SigFig creator game available on the website. The SigFig creator is located in the website's Games section.
Once you click on the SigFig Creator, you have two options to choose from: New and Edit. Clicking New allows you to create a new LEGO character, and Edit allows you to edit a previously saved LEGO character. Once you have clicked an option, you can choose the character's eyes, eyebrows, mouth and hair from a gallery of preset models.
You can also choose shirt and pant styles for the character from the preset options and then make the clothing the color of your choosing. There are also a variety of accessories to choose from, though the character is only allowed to have one of them at a time. After creating the character, you can choose a scenic background for the picture.
You can use the LEGO characters created in the SigFig Creator in the other games available on TheLegoMovie.com if you copy the custom SigFig code provided. You can also download the character and share it with your friends. The LEGO character can even be converted into an icon, a poster or wallpaper.