Forgive me if one was already released and I missed it.
I would love to buy a Nightmare Cub. Should pretty pretty easy to re-skin the existing cub with Nightmare effects.
"There is no moisture in your angry stares." - Laughs-at-All
"I don't know why I bother guarding you horrible people." - Orama Sadas
"Scales here is about to have a really bad day..." - Valeric
"Break those rocks! Dig those ditches! Why??? Because I want you to!!!" - Ifriz the Unraveller
"There are worse masters than I. Far worse." - Molag Bal
"I humiliated the Daedra in Mehrunes Spite." - You, when turning in a specific Undaunted Daily.
"I'm not finding you very pleasant!" - Adla the Brewer
"Old Ri'hirr likes his birds slow and stupid!" - Old Ri'hirr
"When things get dirty... Oh, I get so flustered." - Meredil the Archivist
"Too many Argonians about these days..." - Davon's Watch Guard (though I think this one has been removed from game)