Is there any lore reason why there isn't a Shaddoll version of any Genex or Ally of Justice? | tcgmode

My boyfriend told me he wanted a Shaddoll version of Catastor called something like "Shaddollhim Catastorphe", but that there isn't any AoJ Shaddoll. Unless I missed something, there should still be AoJ corpses after the war in Duel Terminal, so is there any reason we don't have Shaddolls of th...