It's possible that:
* It's a local or personal reference: Perhaps "Ernie the Gospel Truth" is a nickname for someone you know, or refers to a specific event or situation unique to your context.
* It's a misheard phrase: Did you hear this name in a song, movie, or other media? There might be a similar-sounding phrase that is the actual name.
* It's a creative title: You might have created this name for a story, character, or project.
To understand the value of "Ernie the Gospel Truth," please provide more context. What is the source of this name, and what is its significance?