t-shirt design for a martial arts school

C'est ce que Mercer Island Martial Arts recherchait dans leur t-shirt design

Looking for a colorful design that would be both interesting to children and adults. Our school is mostly children but we do have adults and teens as well. Would like something that isn't the norm in terms of martial arts t-shirt design. Something that is unique and interesting in design. I have attached some of our logos and photos from before Voir plus