| Euclydes Hatem | |
|---|---|
| Born | 16 September 1914 Rio de Janeiro, Brazil[1] |
| Died | September 26, 1984 (aged 70) |
| Other names | Tatu |
| Style | Luta Livre |
| Notable students | Marco Ruas[2] |
Euclydes Hatem (Portuguese: [ewˈklidʒiʃ ˈʁatẽ]; September 16, 1914 – September 26, 1984), known as Mestre Tatu (Portuguese: [ˈmɛʃtɾi taˈtu]), was a Brazilian catch wrestler, known for being the founder of the martial art of Luta Livre.