Starting in the 3rd episode of Psych, it is common for Shawn Spencer to call Gus by something other than his real name to other people. Here are all of the times he did so.
There are 45 episodes used, so again, I will not list them here, but feel free to ask.
Psych is a USA Network show. Psych is owned by USA Network (and NBC). All content credit goes to them. No copyright infringement intended.