there are no nicknames for Logan.
Logan Lerman goes by Loggie.
Cassandra Logan goes by Cassie.
Eoin Logan goes by Logie.
Horace Logan went by Hoss.
Paulina Logan goes by Polly.
Logan Tanner goes by Silencer.
Logan McCree goes by Kriegerbeatz, and Krieger.
Logan Stuart Baker goes by LB.
Bey Logan goes by The Beast.
Aaron Brumfield goes by Logan.
Humberto Amador goes by Logan or Login.
Nikolay Yeriomin goes by Toctep (Toaster in Russian), Kolya Logan, and Kloga.