This article is from the Anne Rice FAQ, by Laura Ann lat13@columbia.edu with numerous contributions by others.
You're making the common error of confusing Santino with
Santiago. Santiago is the vampire that made fun of Louis
(doing that annoying mime routine, etc.) and helped to trap
and kill Claudia. Santino is the vampire who headed up
the coven that took Armand away from Marius (this is
mentioned in TVL) and, in QotD, he helps Pandora find Marius
and bring him to the Sonoma Compound.
 
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