Sean O'Donoghue (Sean-o) is an accomplished illustrator who resides in Oakland, California. He has been ghost illustrator for both Madeline and Curious George. In addition to his undergraduate Bachelor of Arts from Tufts University, he has a Studio Art degree from School of the Museum of Fine Arts, Boston and has won numerous competitions in illustration, drawing, graphic arts and sculpture. His quirky characters are certain to capture the imagination of kids.