PLAYBY:  Jaimie Alexander



Lady Sif is a beautiful warrior-goddess of the Vanir. Heimdall, her brother, was the sentinel of Asgard's Rainbow Bridge, which connected Asgard and Midgard, the mortal realm.  Sif is a giantess, goddess of grain and fertility, and one of the Asynjur {the goddesses of the Aesir, led by Frigg.  The Æsir (Old Norse: [ˈɛ̃ːsez̠]) are the gods of the principal pantheon in Norse religion. They include Odin, Frigg, Höðr, Thor, and Baldr.}

Is Sif The sister of Thor?

Sif is a warrior goddess of Asgard and the sister of Heimdall, the watchman of Asgard. As a child, she had golden hair and was an occasional playmate of Thor, son of Asgard's ruler Odin, and Thor's adoptive brother Loki. While Thor and Sif were still adolescents, they fell in love with each other.

Like most Asgardians, Sif was born with golden hair. Hers was turned black after Loki cut it and replaced it with enchanted hair made by dwarves. At an early age, she showed great prowess as a warrior and was considered the best female warrior in all of Asgard, matched only by Brunnhilde.


Name:  Sif

Aliases:
Sif the All-Seeing, The Dark-Haired Daughter of Asgard, Ericka Velez, Fairest of the Fair, Fair One, Fair Sif, Gentle Sif, Gentlest of the Gentle, Rose Chambers, Sif the Unstoppable, The Stunning Sif, Sybil, Tif, Tiffany

Affiliation:  The Gods of Asgard, Avengers

Relatives:
Heimdall (brother, deceased)
Nine Goddesses (alleged mothers)(personifying the sea)
Marital Status: Single
Gender:  Female
Height:  6′2″ (1.88 m)  Weight:  425 lbs (192.78 kg)  Eyes:  Blue  Hair:  Black
Origin:  Vanir Warrior Goddess
Place of Birth:  Asgard  Citizenship:  Asgardian  Education:  Trained Asgardian Warrior

Superhuman Strength: Like all Asgardians, Sif is superhumanly strong and possesses greater physical strength than the average Asgardian female. At her peak, Sif is able to lift about 30 tons.

Superhuman Speed: Sif is capable of running and moving at speeds much greater than that of even the finest human athlete.

Superhuman Agility: Sif's agility, balance, and bodily coordination are enhanced to levels beyond the natural physical limits of the finest human athlete.

Superhuman Reflexes: Sif's reflexes are similarly enhanced and are superior to those of the finest human athlete.

Superhuman Stamina: Sif's musculature produces considerably less fatigue toxins during physical activity than the musculature of a human being. She can exert herself at peak capacity for about 24 hours before fatigue begins to impair her.

Superhuman Durability: Sif's body is much more resistant to physical harm than the body of a human being. She is capable of withstanding great impact forces, exposure to temperature and pressure extremes, powerful energy blasts, and high calibre bullets without sustaining injury.

Superhumanly Dense Tissue: Sif's bodily tissues have about 3 times the density as the bodily tissue of a human. As a result, Sif is actually much heavier than she appears. This increased tissue density also contributes somewhat to her physical strength.

Superhuman Longevity: Like all Asgardians, Sif ages at a rate that is much slower than that of a human being. However, Asgardians aren't completely immune to ageing, as some other god pantheons are.

Regenerative Healing Factor: Despite her body's resistance, Sif can be injured like any other Asgardian. However, her metabolism enables her to rapidly regenerate damaged bodily tissue with greater speed and efficiency than a human being is capable of. Injuries such as slashes and punctures can fully heal within hours, whereas broken bones can heal within a few days. However, she isn't able to regenerate severed limbs or missing organs. The extent of her ability to heal appears to have limits, as she does possess various scars from previous battles.

Instant Teleportation: Sif has, by birthright, the power to transverse time and space, and travel faster than the speed of thought by piercing the fabrics of Infinity and travel to any destination she chooses. Sif can also use her enchanted sword to teleport herself to other dimensions beside Earth and Asgard.

Chronokinesis: Sif is able to see past events that have happened before, like seeing a battle that happened between a young boy Thor and a Rock Troll.

Sif is a formidable combatant and has received extensive training in unarmed combat and swordsmanship. Among Asgardian women, her fighting ability is second only to Brunnhilde the Valkyrie.

Allspeak: Thanks to the Allspeak Asgardians can communicate in all the languages of the Nine Realms, Earth's dialects, and various alien languages.

Weapons

SWORDS
Ranking among Asgard's foremost warriors, Sif chose a weapon set that best complemented her fighting style: a small, versatile shield and a unique Asgardian sword that could become a staff-like weapon when needed. She became widely feared and recognized for her swordplay in battle, so much so that Lorelei, Sif's nemesis, desired Sif's unique sword for her own.  This is a special sword enchanted by Odin to enable her to cleave passageways between dimensions, primarily between Asgard and Earth, by a special pattern of swinging motions. {Also, during Ragnarök, she used the sword Dragonfang after Valkyrie (Brunnhilde) was slain. After the death of her brother, Sif inherited her brother's sword, Hofund.

Sif's sword is a unique, straight bladed sword with a shaped edge, with a handle long enough to be used with one or both hands. Though she has carried more than one different sword, they are each similar in appearance and function, with slight aesthetic differences. Each of her swords are able to reconfigure themselves into a staff-like weapon with two blades bound by a handle in the middle. Her first sword behaved as if it were two separate swords bound together as a single blade, and when changing into the staff-weapon the second blade would swing out as if on a hinge at the hilt. On one occasion, when Sif used this sword to impale the Destroyer, the entire staff-like weapon appeared lengthened, similar to a javelin.

SHIELDS
To complement her swordplay, Sif carries a small, versatile, heater-shaped shield to counter others' attacks and protect herself in battle. Being made as a pair, the shield contains a scabbard for Sif's sword. Forged from a sturdy metal, it can defend against a variety of attacks, but is not impervious to damage. Similar to her Sword, Sif has carried two different shields in the past, each aesthetically similar to the respective sword. When Sif travels, she keeps her sword and shield together bound to her back, while in battle, she will carry the pair on her arm, ready to draw the sword if needed.