Here is a link to show you how writers name their characters.
Alyssa Elle Steinacker goes by Alyssa Elle.
Alyssa Soebandono goes by Icha.
Alyssa Stringfellow goes by Pebbles.
Alyssa Alexandria goes by Aly.
Alyssa Driscoll goes by Lyssdri.
Alyssa Petersen goes by Lyssa.
Alyssa Hanner goes by Ally.
Alyssa Jones goes by Sis.
Alyssa Goodstein goes by Alis.
Alyssa Graham goes by Aly.
Alyssa Gagne goes by Mo.
Alyssa Lakota goes by Lakota.