Remember I own NOTHING except the story idea and some of these characters are my own versions so there you go. Theme Song up top.

Former Name- Sebastian Goodwitch

Future Name- Sebastian Wesker

Age- 18

Height- 6 Foot 5 Inches

Weight- 267 Pounds Of Pure Chad Muscle.

Nationality- (Old) Vale (New) American All The Way.

Species- Mutated and Enhanced Jenova Hybrid.

Personality- Cocky, Unforgiving towards the Irredeemable, Vengeful, Badass, Cold, Seductive, Doesn't Give A Fuck, Anti-Authoritarian, Defiant, Never Gives Up, Patriotic. (If you have watched WWE, just think of a combination of CM Punk, Stone Cold Steven Austin and The Rock)

Occupations- Special Agent, Vigilante, Professional Ass Kicker, Professional Hell Raiser, Former Beacon Student, Spy, American Special Forces, Graduate of Stanford and finally Monster Hunter For Hire. 

Likes- His New Family, True Justice, His Ideals, Watching Criminals Get What They Deserve, His Girls, Beer, Whiskey, Pizza, Kicking Ass, Sparring With His Family And Homies, Metal Music, Punking Bitches, Spending Time With His Family, Spending Time With His Girls and finally Cleaning And Maintaining His Weapons.

Hates- His Former "Mother", His Former "Father", Beacon, Ozpin, Racists, Ironwood, Corrupt Governments And Officials, His Family Being Hurt, His Homies Being Hurt, His Girls Being Hurt, Jacques Schnee, Atlas In General, TEAM STRQ, Not Having Alcohol Or Pizza, TEAM CRDL, TEAM RWBY and Finally the Whitefang.

New Father- Albert Wesker.
Species- Genetically Mutated Human Test Subject.
Height- 6 Foot 3 Inches.
Age- 390 Years Old.

Powers/Skills
1- Supernatural Strength Type II- Far stronger than any other FULL human/Faunus and gets a strong boost when in his Mutated Form.
2- Supernatural Speed Type II- Is faster than sound and has blitzed lightning, Drastically enhances reflexes and agility to great levels.
3- Supernatural Durability Type II- Able to tanks hit that would kill a peak human with peak aura hundreds of times over and can fight for weeks on end with no rest due to his high stamina with immense ease.
4- Supernatural Regeneration Type I- Can heal even from mere fingers and regrow lost limbs, shattered bones and even a new head.
5- Immortality- Has stopped aging once he got his powers and still retains the look of a man in peak physical condition and in his physical prime despite having been alive for nearly four centuries.
6- Enhanced Intellect- His mental potential far outclasses even Ozpin's.
7- Master Hand to Hand Combatant- Has three centuries and several decades of combat experience with firearms, melees and with his powers.
8- Limited Shape Shifting- Can create tendrils, blades, saws, and shields.
9- Infection- He can infect others with a portion of the U-Virus but also absorb more of it to enhance himself.
10- Altered Eyes- Makes him look like a badass.
11- Indomitable Willpower- Has a willpower strong enough to not go crazy after so long.

New Mother- Sephiroth Hojo.
Species- Genetically Modified Jenova Super Soldier (She's a Full Jenova)

Powers/Skills
1- Nigh Unmatched Hand to Hand and Armed and Unarmed Combat Prowess- There are very little beings on Earth and Remnant that can keep up with Sephiroth.
2- Dark Magic- Expert at controlling and Utilizing the powers of Dark magic even better than Salem.
3- Flight- Still having her one wing can fly anywhere and at speeds surpassing light.
4- Supernatural Strength Type III- Overpowers hordes of super soldiers with ease, destroyed titanium and steel Atlas machinery with one hand, slice through skyscrapers with her sword Masumune and has killed large monsters solo.
5- Supernatural Speed Type III- Has moved beyond the speed of light, caught teleportation power users, exceeded Mach 10,000 and parried the Omnislash. Reflexes, agility and stamina are tremendously enhanced.
6- Nigh Invulnerability- Survived being stabbed by the Buster Sword and falling into the Lifestream, blocked a 1,600 ton strike easily, tanked supernovas capable of destroying whole solar systems and took on Genesis's fireballs and survived. This leaves Sephiroth almost impossible to injure.
7- Immortality- Self Explanatory.
8- Teleportation- Self Explanatory.
9- Astral Projection- Can move her soul to exist to other places.
10- Mind Reading- Self Explanatory.
11- Telekinesis- Can move objects with her mind.
12- Telepathy- Can speak to people through their minds.
13- Mistress of Magic- From simple to dark to materia, Sephiroth is a champion at using magic in nearly anyway.
14- Supernatural Regeneration Type II- Combined with her born immortality, magic prowess and incredible survivability, Sephiroth is the nigh perfect example of a unkillable immortal.
15- Supernatural Intellect- One of the smartest minds on Earth and THE smartest mind on Remnant.
16- Avatar Creation- Can create clones of herself.
17- Life Force Absorption- Can absorb the life force or aura from other to heal her allies or herself.
18- Cosmic Awareness- Is incredible aware of her surroundings and what is happening in other areas of Earth and Remnant.
19- Intangibility- Can phase through solid objects easily.
20- Umbrakinesis- Can manipulate darkness and shadows in multiple ways.
21- Illusion Casting- Can cast very convincing illusions.
22- Jenova Cells Manipulation- Can manipulate Jenova cells in any way.
23- Supernova- Self Explanatory.

How Sebastian Looks 

Physique and Casual Wear

Also he's wearing blue jeans but now time for the WEAPONS!!!

Black Hell

Dual Wields Pistols and wears sunglasses that transform into a visor just like Raiden's