Black belts under Gustavo include Steve Judson, Gary Matsch, Brian Mitchell, Chris Lopez, Steve Rosenberg, Bob Merriman, Michael Westbrook, Morris Williams, Mannie Romero, Trevor Rivers, Paul Nava, Mark Moore, Micah Phillips, Jonathan Wagner, and Jake Gaston.
Gustavo Kuerten | Gustavo Bergalli | Daniel Dantas | Gustavo Rowek | Júlio Dantas | Gustavo Garzón | Gustavo Santaolalla | Gustavo Rojas Pinilla | Gustavo Machado | Gustavo Dudamel | Gustavo Chacín | Eduardo Dantas | Gustavo Romano | Gustavo Palafox | Gustavo Napoles | Gustavo Madero Muñoz | Gustavo Esteva | Gustavo Díaz Ordaz | Gustavo Cochet | Gustavo Cadile | Gustavo Arias Murueta | R. P. Gustavo Le Paige Archaeological Museum | José Gustavo Guerrero | Gustavo Santander | Gustavo Sánchez Martínez | Gustavo Rojas Pinilla International Airport | Gustavo Ponza di San Martino | Gustavo Moncayo | Gustavo Martínez Zuviría | Gustavo Gorriti |