Appearances:

True form

An: basically his true form.

Alternative form:

An: basically an form that temporary stop his presence effecting everyone massively but still effects them.

Name: Malevolenternatus
Main Title: Source of Evil
Nicknames:
Absolute Malevolence/Evil
Eternal Malevolence/Evil
Evil of God
Malevolent Personification
Pure Evil/Malevolence Embodiment/Incarnate
Source of All Evil
The Infinite Evil Source
The Evil
Transcendent Malevolence/Evil
True Evil/Malevolence
Ultimate Evil

Powers:
Evil energy creation.
Resurrection powers.
Reincarnate.
Anti Matter.
Dark matter.
Time.
Omnimalevolence.
Malefic Aura.
Etc.

An: Malevolenternatus is literally like Omnimalevolence which is infinitely and absolutely evil.

Weapons:

An: that's available.

???:

An: unknown at the moment.

???:

An: unknown at the moment.

Spear of Darkness:

An: unknown at the moment.

???:

An: can steal pure innocent soul without taking lives.

Reincarnations:

Nowhere King (First Reincarnation aka oc)
Tathamet from Diablo.
Loptr from Bayonetta.
Great Darkness from Dc comics.
Melkor from Middle Earth.
Zerstörer from Grimm.
Arawn Death-Lord from Prydain.
Sargeras from Warcraft.
The Lich from Adventure times.
Angra Mainyu from Zoroastrianism.
Chakravartin from Asura Wrath.
Idea of Evil from Berserk.
Crimson King from Stephen King.
Demon King from Seven deadly sins.
Demise from Legend of Zelda.
Evil Entity from Scooby Doo.
Azathoth and Nyarlathotep from Lovecraft.
Hexxus from FernGully.
Knull from Marvel.
Vergomoth from the Velvet King.
Scarlet King from SCP.
Lord English from Homestuck.
Takehaya-Susano'o-no-Mikoto from BlazBlue.
Satan from End of Days.
Nar Hole from The G Quest: Endgame.
Calasmos from Dragon Quest.
The Source from Charmed.
The Darkness from Once upon a time.
Tenebrae from Star wars old republic.
Shadow Phoenix from Winx Club.
Makuta Teridax from BIONICLE.
Unicron from Transformers.
Vaatu from Legend of Korra.
The Omega and Overlord from Ninjago.
Davoth from Doom Eternal.
Father from Fullmetal alchemist.
Destoroyah from Monsterverse.
Lucifero from Black Clover.
Yhwach from Bleach.
Azwel from soulcalibur.
Bye Bye Man from movie.

An: more will be available.