discussed Cited "see" Source Services Corp. v. Source Telecomputing Corp. See, Sun Banks of Florida, Inc. v. Sun Federal Savings & Loan Ass’n, 651 F.2d 311, 315 (5th Cir.1981), reh’g denied, 659 F.2d 1079 (5th Cir.1981) (The use of the word “sun,” although arbitrary when used to identify financial institutions, results in a weak mark because of extensive use in other marks.) As the Second Circuit has noted, “while these categories can be useful for analytical purposes, the strength of a mark depends ultimately on its distinctiveness, or its ‘origin-indicating’ quality, in the eyes of the public.” McGregor-Doniger Inc. v. Drizzle Inc., 599 F.2d 1126, …