Super Castlevania IV was voted #19 in the "Top 25 Platformers of All Time" poll in Retro Gamer Magazine (Issue 37).
There are some interesting and quirky boss names in this game. The level 4 mid-boss "Puwexil", the skull with the lashing tongue, when spelled backwards is "Lix Ew Up". The level 4 end boss, a huge rock monster named "Koronot", when spelled backwards is "Ton O Rok". The level 6 end boss, the dancing spectres "Fred Askare & Paula Abgoul" is an obvious and very quirky play on names for Fred Astaire & Paula Abdul.
There are differences between the US and Japanese releases of Super Castlevania IV. In Japan, the game is simply known as Akumajo Dracula. The cross on the tombstone at the beginning of the game was removed, for fear that people would be offended by lightning destroying the icon. Also, the name "Dracura" is visible in the Japanese version, but is merely a smudge in the American one.