I'm not familiar with the term "gadreel." It doesn't appear to be a commonly used word or name in English or other major languages. It's possible you may have misspelled a word or are referring to something very specific or obscure.
Could you please provide more context or clarify what you mean by "gadreel"? This could help me understand and provide a more accurate response. If it's a name or term from a particular language, culture, or field, letting me know that information might also be helpful.