Thanks, FILO, for at least having used the plural.
"Maximina"
Armando Palacio Valdés
Another wild beast they had him hunting was the FILO, which is like the ruffle snake, except that it has a thing like a table leg in its ear.
"Ma Pettengill"
Harry Leon Wilson
Vi ne povas esti FILO de Mateo Falkone.
"The Esperantist, Complete"
Various