Hope it's not too late to join! 

Name: Catalina Scarlett Nemo 
Age: 17
Personality: bubbly, very loyal to her friends and rather clever. Unlike her twin Brother, she's on the shy side, and tends to have her head in the clouds-or rather the sea.
Godly parent: Poseidon
Bio: Long, Tragic, and full of running and death. Ya know, the usual for Demi-gods. 
Appearance: [img=http://25.media.tumblr.com/tumblr_mbcu7bhnY81rcrewpo1_500.jpg] but with ocean blue eyes
[hider=weapon]She also has this [img=http://i40.tinypic.com/2hnn94x.jpg] that transforms into this sword [img=http://i41.tinypic.com/8zptl1.jpg][/hider]

Name: Rikki James Nemo
Age: 17
Personality: he's very outgoing and friendly. He's a jokester and looks on the bright side of situations. He has a bit of a temper, and will do anything to protect his friends. 
Godly parent: Poseidon 
Bio: Long and tragic, like most Demi-gods. 
Appearance: [img=http://i43.tinypic.com/2pyxq12.jpg] (but with sea green eyes)
[hider=weapon][img=https://img0.etsystatic.com/024/0/8322782/il_340x270.520651166_3z5u.jpg] turns into [img=http://www.wulflund.com/image-service.php?pid=486&lang=en][/hider]