Abigail (Metal Slug)

Abigail is a character that first appeared on Metal Slug Attack as a Playable Unit, she is the High Ranking Officer of Donald Morden's Rebel Army, she have a younger sister named Beatriz.

Profile
Female Morden officer whose ultimate expression of love ended up being her turning against a loved one. Trevor is the one she loved. She specializes in long-range assaults with laser weaponry.

Story
Between Metal Slug 1 and Metal Slug 7/Double X

She and Beatriz were choosed by Morden to be part of his Rebel Army, they were trained by Morden himself in oder to become the most fearsome femme-fatales around the world.

During Morden's 2nd attempt to take over PF Squad and the entire world, Manfred Amadeus introduces them to Satiko Suzuki after find her wandering on China after Marco, Eri, Tarma and Fio gets fat.

She stopped Satiko from rescuing her master because she's still on practice, Mars People would've killed her easily.

She and Beatriz comfort Satiko once they find her crying at the "death" of Amadeus and decides to take her somewhere she wanted to train and do some other quiet stuff.

During the 7th war, Abigail gets reported that her partner, Satiko Suzuki has becomed insane and was killing some of Rebel Army's soldiers, she tried to stop her but it was useless because Satiko rapidly grabbed her and pointed a knife in her neck as a menace to decapitate Abigail if someone tried to stop her, during the escape, Abigail manages to escape from Satiko's hands and keeps watching sad and disappointed how her friend and parter ran away alongside Professor and Allen Jr. after all the time they've spent together.

Metal Slug 8 (TheProjectXZoneFan1997)

She and Beatriz goes to their first war alongside Rebel Army, on Mission 2 she destroyed PF Squad's SV-001 after her sister freezes the tank, defeated, both sisters managed to escape but Abigail felt something strange on her heart once she looked at Trevor Spacey.

She reappears on Final Mission helping PF Squad by killing some of Satiko's mens.

Metal Slug 9

At the end of the game, she and Morden appears laughing at what they'll gonna do soon to PF Squad with the Spacey Nokana in front of them.

Metal Slug 1X0

On Mission 4, she appears riding the Spacey Nokana and blushes once she look at Trevor (if one of the players choosed him), after the destruction of her exclusive version of Iron Nokana, she leaves Mexico with an evil laugh but if Trevor is one of the characters choosed, she'll leave Mexico crying.

On Final Mission she and Beatriz attempted once more to defeat PF Squad but they got defeated, during the base's self-destruction, she, Beatriz and the rest of high ranked Rebel Army members managed to escape.

Metal Slug 11

On Mission 4 she fights alone against PF Squad but she gets defeated, after Percier sent Marco & co. 30 years in the future, she started to search Trevor desperately and in vane.

During the fight between PF Squad and Nova she finally finds Trevor and looks that he is in trouble, she decided to help him killing Nova once and for all, after rescue "them", she blushes again once Trevor look at her smiling in a kind of "Thanks for save us".

Other appearances
Capcom vs SNK 3: Fighters' Spirit

She is one of the playable characters in the game alongside Marco, Eri and Leona.