What is "tessio"

Tessio is a surname. Notable people with the surname include:

• Aldo Tessio (1909–2000), Argentine politician
• Griselda Tessio (born 1946), Argentine politician, Vice-Governor of Santa Fe province since 2007

Fictional characters:

• Salvatore Tessio, fictional character in Mario Puzo's novel The Godfather and the film based on it