I don't think there are any macros that affect other characters, other then auto follow I suppose.
There are however "for fun" spells that have to be scribed that can affect you or another's characters appearance, such as at level 20 Fury gets "Fae Fire" which makes any character glow but other wise does nothing.
Swashbuckler has one that makes another character swoon over them or something.
At
here there are skills that are labeled (scribed) for each class and except for the really high ones they are mostly the fun ones.