Paul Thomas Arnold goes by Pauly, and Pauly Walnuts.
Paul Thomas Anderson goes by PTA.
Marcus Arnold goes by Marc Arnold.
Jess Arnold went by Benny.
Maximilian Arnold goes by Arnie.
Nathaniel Arnold goes by Bezo.
Alison Arnold goes by Doc Ali.
Arnold Chun goes by AC, and Chun.
Arnold Luichareonkit goes by Arnie Pie.
Arnold Schwanzschlagader goes by Kevin H. Twelve.
Kenneth Arnold Taylor goes by Kenny.
Michael William Arnold goes by Mikey.
Arnold Cheng goes by Arn, Arnie, and Monster.