ALF, acronym for the Animal liberation front, terrorist organization
A.L.F., 80's TV show about an Alien Life Form dubbed ALF
AlfredJames "Alf" Stewart, character on Australian soap "Home and Away"
Alf son of Sigar, king in Norse mythology
Alf son of Alaric, Swedish king of the House of Yngling
AlfWit, character in British comic "The Beano"
SirAlf, character in film "Monty Python and the Holy Grail"
'Unlucky' Alf, character in British TV series "The Fast Show"
Brother Alf, later Abbot Mordalfus, in BrianJacques' Redwall books "Redwall" and "Mattimeo"