Tuotilo was a 9th-century Benedictine monk and polymath associated with the Abbey of Saint Gall in Alemannia. A student of Iso of St. Gallen, he was known for his cheerful personality and physical strength. He is recognized as a composer, poet, musician, and artist, with various musical tropes and ivory carvings attributed to his hand. His diverse talents extended to painting, sculpture, and even mathematics, making him a prominent figure in the monastic community of his era.