Preheat your campfire grill or set up a campfire with a grate over the flames.
In a small bowl, combine the olive oil, salt, pepper, and Italian seasoning to make a marinade.
Thread the tofu cubes, bell pepper chunks, cherry tomatoes, zucchini slices, and mushrooms onto skewers, alternating between the ingredients.
Brush the skewers with the prepared marinade, ensuring they are evenly coated.
Place the skewers on the grill or over the campfire, ensuring they are positioned on a stable surface.
Cook the skewers for 8-10 minutes, turning occasionally, or until the vegetables are tender and the tofu is lightly charred.
Remove the skewers from the heat and serve hot.