The "classical" line-up of Los Rayos Gamma features them all dressed in black (as to not allude to any political party in Puerto Rico, or more precisely, their insignia's colors).
A running gag among the group is that Morales can only sing by following visual cues (usually from Olivo, who was a strong percussionist and even danced onstage when propped) as to stay in rhythm; salsa singer Rubén Blades (who has sung onstage with the group in various occasions) joked about this by calling Morales "the black hole of clave".
Logroño, on the other hand, besides using the group's common black uniform, may also feature distinctive props, usually those alluding to his own comedic characters (for example, Vitin Alicea's beret), depending on a song's lyrics.
The group's augmented lineup usually features a full orchestra, complete with horn section and chorus singers.
It is frequently directed by keyboardist José "Cuqui" Rodríguez, who was also the musical director of many of Logroño's comedy programs.
[1] On November 19, 2011, the group (without Horacio Olivo, who did appear in a comedic interview caught on video - he was recuperating from open heart surgery) performed in yet another series of presentations at the Centro de Bellas Artes de San Juan, this time billed as "Enfortuñados.