During Eduardo's Cinco de Mayo party, Gru, suspicious that Eduardo was, in fact, the villainous El Macho, decided to follow him after the two men had a short conversation. Gru followed Eduardo into a room with an illuminated dance floor that was booby-trapped with axes, spears, and flamethrowers. To get past the room and into the main lair, a combination code matching the tones of the Cockroach song (La Cucaracha) had to be entered using the tiles of the dance floor. The lair itself contained a long bridge and a laboratory. It also housed El Macho's Magnet Ship, and cages for the Evil Minions.