User blog comment:VedranTheII/Pretentious Diaries 3: Half-Grimm...do they even work?/@comment-7622429-20151013224919/@comment-25396609-20151015211643

Definitely got weird alien biology going on, and they do the smoke thing when they die. The fact that they are not explainable by science and defy certain laws of physics is sufficient to qualify.

Like I said, they are eldritch abominations, just really REALLY low tier eldritch abominations. About 1/3 as eldritch as Shoggoths.