Personalized I'm A Fungi Youth T-Shirt. Youth T-Shirt - Kelly Green with cute smiling shiitake cartoon mushroom says I'M A FUNGI (I'M A FUN GUY"). Bad food pun, funny food pun, vegetable, mushroom lovers gift. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.