Explanation:

- Option 1: Onges are an indigenous tribe from the Andaman Islands. They are not particularly known for clay toys or icons.

- Option 2: Bhils are a large tribal community mostly found in central and western India. Their crafts are more related to painting and not specifically clay toys.

- Option 3: Tharus are found in the Terai region of India and Nepal. They are famous for their unique lifestyle but not especially for clay toys and icons.

- Option 4: Muria Gonds are part of the larger Gond community, found mainly in Chhattisgarh. They are particularly famous for their beautiful clay toys and religious icons.