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 the 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. She is the ex-girlfriend of Anthony Kiedis, they had an on-off relationship ranging from 1998-2003. In the original printings of Anthony Kiedis's autobiography Scar Tissue, she is referred to by her real name. However, in reprints she is referred to as "Claire Essex".