Gethin - What are you gettin'. That
David Gethin [Geffen] sure makes wonderful movies. I'm not sure that you could escape mispronounciations, but does that matter? I'd probaby go for something similar to my latter example, but its not my style.
Lucan - I prefer
Lucan to Lukan, but at quick glance I think people would just confuse it for
Luca or
Lucien, so I'd stick with
Luca. Besides, it seems softer.