"The greatest of call signs are so well selected that they seem to capture everything about the person that bears it. Eventually, these aviators are known almost exclusively by their new name. Using anything else in reference might confuse fellow pilots until the call sign brings clarity to the conversation.
For Lieutenant Colonel Mario Carazo, he earned one of those call signs that stand out because his was so incredibly perfect."
Raise your Beer, Toast A Hero: Mario Carazo