Combine cheese cubes, onion, cucumber, radishes, chopped cilantro, jalapeños, lime juice, and Camaronazo or Clamato in a medium bowl. Cover and refrigerate for 1-2 hours. Divide among 4 small bowls, or serve in margarita or martini glasses for a striking presentation. Garnish with avocado slices, lime wedges, and cilantro sprigs. Serve with tortilla chips and extra hot sauce, if desired.