Definitions for "Trillian"
Keywords:  bonjour, cerulean, skype, icq, jabber
Trillian is a multiprotocol instant messaging application for Windows created by Cerulean Studios that can connect to multiple IM services, such as AIM, ICQ, Windows Live Messenger, Yahoo! Messenger, IRC, Novell Group Wise Messenger, Bonjour, Jabber, and Skype networks (the latter four with Trillian Pro which allows for additional plugins).
Tricia McMillan aka Trillian is a fictional character from Douglas Adams' series The Hitchhiker's Guide to the Galaxy. According to the movie version, her middle name is Marie.