Boo Clipart   Image 28 of 35 Free Clipart of Boo Clipart of an alien looking skull that is screaming a shrill, spooky yell Full image dimensions ~ 156 x 230 pixels File size ~ 5 KB Related Keywords ~ boo, alien skull, black and white, boo, enchanted skull, google eyed, haunted skull, magic skull, screaming skull, skull, skull with eyes, talking skull , trick or treat, witches skull, This Public Domain image is available for personal and commercial projects. Boo Clipart   Image 28 of 35 Some of this Month's Most Viewed Halloween Clipart ...