Mascot of the free UNIX-like open source
operating system OpenBSD.
Each release, which occur twice a year (about six months, give or take one), Puff is given a themed role based on either current events of a joke the developers liked.
Such themes include RamBlow (based on Rambo and the contraversy surrounding cryptography being legal munitions in the
United States of America), 077 (Pond, James Pond), Puffy the Kittieslayer (Buffy, the
Vampire Slayer), rapper Puffy and most recently Puff the Barbarian.
This Blowfish is used in a variety of tee shirts and posters which can be seen on the OpenBSD site (openbsd.org).