deathbird
Noun
Meaning
Tengmalm's or Richardson's owl (Nyctale Tengmalmi); -- so called from a superstition of the North American Indians that its note presages death.
Source: Webster's dictionarySynonyms
Examples
Operation: Galactic Storm get involved in the galactic war between the Shi'ar (under the rule of Deathbird) and the Kree which resulted in the death of their leader, the Supreme Intelligence, leading to Deathbird's takeover.