Yohanna Logan is an American fashion designer. She was born in upstate New York. Later, she moved to Manhattan and then Los Angeles to become a successful clothing designer and lead singer of band Wow! Cougar, an electro-rock band. Her clothing label is named Shawn, which is also her nickname. The label is popular with bands such as Green Day, No Doubt, Red Hot Chili Peppers and P.J. Harvey.