User blog comment:Crimson and Darkness/DxD Updates 2~/@comment-27083298-20180618033935/@comment-30924344-20180618082420

There's a relative of Shalba.

Bidoreido Basharun Beelzebub (ビドレイド・バシャルン・ベルゼブブ)

I guess it's Bidrade Baturnon Beelzebub.