Yes, normal.
Just like any other hobby that involves learning a made-up language spoken by a made up species in a fictional television programme!
(
jaldo_dron a delicate balance,
Tue 13 Apr 2004, 14:01,
archived)
Why is that not normal to you?
People talk in all kinds of ways.
(
karatesausage,
Tue 13 Apr 2004, 14:13,
archived)