Minion World's Greatest Father Tank Top Gru wanted to steal the moon but ended up stealing the hearts of three orphans and becoming the world's best Dad instead! Celebrate Gru and the dad in your life with the Despicable Me World's Greatest Father T-Shirt! This cute Father's Day shirt portrays Gru with Edith, Agnes, Margo, and 2 Minions with "World's Greatest Father" encircling them