Personalized Gyminator Rough Text Youth T-Shirt. I am the gyminator in rough text with the letter M in the word gyminator wearing sneakers is a humorous play on the word terminator and a fun gift at back to school, birthdays, holidays and graduation for physical education teachers, trainers and exercise gurus. 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.