Quark (hologram)

From Memory Alpha, the free Star Trek reference.

The Quark hologram was created by Quark in 2372 during the strike of the employees of his bar. Quark created several versions of himself, although they did not function well.

When Constable Odo came into the bar he thought one of the holographic waiters was actually Quark and was surprised when the program broke down and the tray with glasses it carried hit the ground.

Quark told Odo that he bought this program from a Lissepian, who unfortunatly forgot to inform him that certain energy sources can interfere with the imaging system. (DS9: "Bar Association")

Another Quark hologram was used to show Quark in which ways Garak could assassinate him. Garak broke the neck and the hologram's head fell into a meal. Quark was shocked by this method and refused it. (DS9: "Body Parts")

The two mainly seen holograms in "Bar Association" were also played by Armin Shimerman. The several background holograms were played by extras who were dressed like Quark.