W.D Gaster

Backstory
Gaster was a doctor at 1 point before he fell in the Cord he made Sans and Papyrus he kept training them but when he fell in the Cord he was stuck in the Void, in the pacifist run he gets free by Sans and Alphys, in the genocide run he fight the human and try to take their soul.

Attacks
Bones: Gaster can use many bone attacks being normal bone which you need to dodge from, and he can also use blue bones which you need to stand still form or you can dodge it, he can also use orange bones which you need to move through it or dodge, and he have his special bones which is call the Void Bone which is a black bone he keeps it when his out of the void you would need to dodge the void bone, he can also use bone zones for the bones, spin bones for the bones, Bone cage, trap bones, and etc.

Gaster Blasters: Gaster can use many Gaster Blaster attacks being the normal Gaster Blaster which shoots a white beam and you would need to dodge it if you don't want to take damage, he also have a Blue Blaster which is a Gaster Blaster that shoot a blue beam you can stand still and the beam won't hurt or you can dodge, he also have the Orange Blasters which is a Gaster Blaster that shoots a orange beam and you can move through it or you can also dodge it, his special Gaster Blaster is name the Void Blaster a Gaster Blaster that shoots a black beam which you need to dodge, he also have a Prototype Blaster that doesn't blast but chase the enemy and you would need to dodge it, he can also Gaster Blaster zones which are like the bone zone but with Gaster Blasters, he can make small, medium, and large Gaster Blasters and also giant Gaster Blasters too, he can also make Gaster Blaster traps and etc.

Soul changing: Sans can change the humans soul but the souls he can change them to is: Blue (Gravity), Green (shield), Purple (invisible frame), Yellow (shoot), Cyan (stop moving), Orange (keep moving).

Teleport: Gaster can teleport but only in the pacifist run where he's not stuck in the void.

Telekinesis: He can use telekinesis on other people.

Wingdings: One of his weapons he can use these wingdings to do a lot of damages.

Hands: The hands is another one of his weapons he can make many hands: Hands Blaster are hands that shoot a white blast which you need to dodge but he can also shoot blue and orange beam out the hand blasters too, Integrity Hands are hands that can control gravity, Justice Hands are hands that shoot yellow bullets, Patience Hands makes everything slowdown for 10 sec, Bravery Hands are hands that makes Gaster 20x faster and 20x stronger, Kindness Hands makes shields for Gaster or anyone Gaster wants a shield on, Perseverance Hands makes Gaster unstable, Determination Hands are hands that makes red beams that takes away max HP.

Beams: Gaster can make a beam that can be blue which you need to stand still or dodge, orange which you need to move though or dodge, and a red beam which you need to dodge because if you don't it will take away your max HP.

Looks
When in the Void his melting he wears a scientist suit, when his back he look like a normal skeleton that is wearing a scientist suit.