The phrase "voice of doom" is often used to describe a person who delivers bad news or warnings that seem ominous and foreboding. However, there are many synonyms that can be used to describe someone in this role. These might include terms like prophet, oracle, harbinger, or augur, which all suggest a person who has insight into the future and can provide warnings or predictions of impending disaster. Other similar phrases might include "bearer of bad news," "prophet of doom," or "catastrophe announcer." Regardless of the terminology used, the idea behind the "voice of doom" is the same - to warn of potential danger or disaster and encourage preparation or action to prevent it.