The Infection.

Characters:

The Siblings:

James: 19 year old older brother of Sarah and Lydia. He is very protective of Sarah, less so of Lydia. James taught Sarah how to use a gun for protection. 
Looks: James is 6' tall with dark brown hair and blue eyes. 
Weapon: James too uses a gun to fight. He and his father went shooting every Saturday since he was young, so he is a very good shot. 

Lydia: 14 year old middle sister to Sarah and James. She is quite tall for her age so James often uses her as the "runner" to go ahead and lure back any zombies that were up ahead, or to scope out ahead. 
Looks: Lydia is 5'10'' with curly brown hair that she often pulls back into a ponytail. She has the same blue eyes as James. 
Weapon: Unlike her siblings Lydia was never interested in learning how to use a gun. She has a baseball bat that she uses to knock the zombies senseless. It's rare that this kills them, so usually James or Sarah has to follow behind with a bullet to the head. 

Sarah: 11 year old youngest sibling to Lydia and James. She gives a whole new meaning to the silent type since her best friend Austin died. She rarely speaks, unless absolutely necessary. James is very protective of Sarah because of her young age and vulnerability. 
Looks: Sarah has short blonde hair, and dark blue eyes. She is still growing but the last time she was measured she was just under 5'. 
Weapon: James has taught her how to properly shoot and aim a gun. She is a decent shot. 

Rose: (SIDE CHARACTER) Rose is not one of the siblings, though she was known by them for a short period of time. Little is known about her. She did end up saving James from an angry mob of zombies when his sisters fled to safety. She is later found by another group though they do not take the same liking to her as James and his sisters. 

The Twins and the Pansy Risk-Taker:

Laura: Laura is very much the "boss" of this group. She is the loudest of all three, and takes on a leadership role almost instantly. Laura is an EXTREME closet romantic. She has a short temper, and often becomes annoyed with all the small irritating things that Ethan does. 
Looks: Identical to her sister, both girls have long black hair and green eyes. The only way to tell the difference between them is the slight height difference, and the large amount of freckles that Laura has compared to Lynn. (and of course the attitude that Laura has!)
Weapon: Laura prefers a knife to a gun, but she is also a good shot. She planned to be in the CIA or FBI when she grew up, but of course that is now impossible. 

Lynn: Lynn is quite the opposite to her sister, innocent and sweet. Often pushed around in this group because she will take orders from both Laura and Ethan. She takes a lot of the crap that Laura dishes out when angry at Ethan. Both girls are 17. 
Looks: Identical to her sister, minus an inch and a few freckles. 
Weapon: Lynn does use a gun, although she'd be better off using something else... she is a horrible shot. Her hand shakes thinking about killing a "living" thing. 

Ethan: The words pansy risk-taker are not often put together in a sentence together. Though that is exactly the words to describe Ethan. He is brave when it comes to killing zombies, or running through flames... but when it comes to spiders, other bugs or dogs, he is useless. Which creates a problem when dogs are known to turn. Laura and Ethan are often at each others throats about something. Ethan has a secret crush on Lynn, Laura knows this and does not approve, making his life a living hell. 
Looks: Ethan has dark blonde hair, buzzed short but has had the chance to grow out due to the lack of hairdressers in the zombie apocalypse. He has hazel eyes with golden flakes. 
Weapon: Ethan keeps a dagger with him while he sleeps, but he uses a gun to fight. This keeps him at a distance from the zombies.