Personalized Gyminator Rough White Text Toddler T-Shirt. I am the gyminator in rough white 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. A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.