Zen'nō no akuma
Onii Shiro
"aoi akuma"
悪魔Devil is 悪魔 (あくま) akuma.
The phrase 'Devil's subordinates' would be 悪魔の部下 (akuma no buka) in Japanese.
Devil = "akuma" + Kitty = "nyan-ko" (note: cat is "neko")
全能 (zennou) is "almighty" or "omnipotent." It's pronounced "zen-no."
Zen'nō no
I don't say "the devil the devil don't take me devil."
速度黒い悪魔 Sokudo kuroi akuma
The Japanese translation of the phrase red devil is reddo de biru. Another translation is akai akuma which more accurately translates to red demon.
The phrase 'little Devil' would be translated as 小さな悪魔 (chiisana akuma) in Japanese.
devil in is akuma de unless you mean inn