Diabolos (ディアボロス, Diaborosu) is a character in the anime/manga Beyblade Burst Rise.
As Venom & Erase Diabolos, the avatar's appearance is based on a bipedal demonic creature with four-digit claws on the arms and legs, dark-red skin, four dark-red spikes on his back that generates four flaming wings, and a flame on the tip of his tail. His color scheme is luminescent dark-red with shades of orange, which makes his skin resemble magma, and seal-brown armor on his forearms, head, neck, outer chest region, thigh and the the outer leg areas. He also has four green eyes, a warm-orange curving horn on each side of his head, warm-orange spikes on his neck armor and arms, blue orbs on his chest armor and one on his crown, warm-orange claws, and a large spike on each shoulder. The spikes on his neck, shoulders and arms also sports magma veins.
As Master Diabolos, the avatar's dark-red skin is now crimson, the magma translucent skin is now yellow, it now has six green eyes, the side horns are now golden metallic, the mandible is now golden, the forehead sports a golden crest with a green gem in the center, the seal-brown armor is now dark-red, the two blue orbs on each side of the chest armor have increased to three, the hip armor is now gold, it has caparol-indigo parts on its claws, underneath its jaw and four back spikes, the four back spikes are yellow-golden colored and can fold out, the flame wings are blue and red, the knee armor are more pointed, the digits have dark-red armor rings, the magma veins throughout the body has lessen, it grew three organic frills on each side of its head with small magma veins, the neck spikes have lessen and thickened, and the tail tip is no longer inflamed.
Acting as the polar opposite of Dragon encouraging Dante Koryu to become stronger, Diabolos demands Delta to fight, even after they've won, to become stronger and devour the opposing Beyblade's "Light".
Diabolos' relationship with Delta is similar to a shoulder devil's, proposing to Delta to fight and become stronger while feeding on his desire.
For a full gallery of images of Diabolos, see Diabolos/Gallery.