Lincoln - Xenophobia
Lori - Autophobia
Leni - Arachnophobia, Anatidaephobia (formerly, when she was a kid)
Luna - Sedatephobia
Luan - Tristophobia
Lynn Jr - Atychiphobia, Traumatophobia and Philophobia
Lana - Acrophobia, Nyctophobia, and Ablutophobia (not entirely, she's just lazy to be showering too much).
Lola - Proditiophobia and Nyctophobia
Lisa - Thantophobia
Lily - Aichmophobia
Rita - Chronophobia
Lynn Sr - Arachnophobia, Dentophobia and Thantophobia