Alyssa is a survivor of the outbreak in The Walking Dead: Red Machete.
Pre-Apocalypse
Location Unknown
Nothing is known about Alyssa's life before or during the outbreak, except that she had a father, David, and an older sister, Mandy.
Post-Apocalypse
The Walking Dead: Red Machete
"Behind Us"
Alyssa is with her family in a hardware store as they witness a walker attack a young men and devour him alive. David secures the machete and proceeds to return home with his daughters. Time passes by as Mandy continuously practices with the machete. After running out of food, the family goes on a scavenging mission when Alyssa is grabbed by the hair by a zombie and killed, much to the horror of Mandy.
Appearances
Webisodes
Red Machete