In a medium mixing bowl, add the well-drained tuna. Use a fork to break it up into flakes.
Add the mayonnaise, mustard, relish, chopped eggs, salt, and pepper. Fold gently to combine all ingredients, ensuring everything is evenly coated but not mashed. Taste and adjust seasoning as needed
Serve immediately or refrigerate for 30-60 minutes before serving to allow flavors to meld.