La Roche performed most successfully as the "Punch" ("Kasperl"). He opened the first permanent popular theatre of Vienna with this troupe in the Theater in der Leopoldstadt (also known as "Kasperl Theater") in 1781.
La Roche achieved his greatest success as the central figure of the "Punch" ("Kasperl") character. He established the first permanent and popular theatre in Vienna with this troupe in the Leopoldstadt Theatre (also referred to as the "Kasperl Theatre") in 1781.