Here are some Free Fire guild name suggestions based on "00HINDUGAMERA X":

Emphasizing "Hindu":

• Hindu Warriors X
• Dharma X
• Agni X
• Indra's Fury X
• Garuda Squad X
• Vedic Vanguard X
• Krishna's Crew X
• Shiva's Legion X
• Aryan Army X
• Bharat Warriors X

Emphasizing "Gamera":

• Gamera's Elite X
• Gamera's Reign X
• Monster X
• X-Gamera
• Gamera's Fury X
• Project Gamera X
• Gamera's Legacy X
• Rise of Gamera X
• Gamera's Dominion X
• Neo-Gamera X

Combining "Hindu" and "Gamera":

• Hindu Gamera Force X
• Gamera's Hindu Squad X
• Divine Gamera X
• Mythical Gamera X
• Hindu Monster X
• Sacred Gamera X
• Celestial Gamera X
• Ancient Gamera X
• Legendary Gamera X
• Hindu Gamera Elite X

Adding other elements for creativity:

• 00HINDUGAMERA X Elite
• 00HINDUGAMERA X Squad
• 00HINDUGAMERA X Force
• 00HINDUGAMERA X Legion
• 00HINDUGAMERA X Clan
• 00HINDUGAMERA X Army
• 00HINDUGAMERA X Empire
• 00HINDUGAMERA X Dynasty
• 00HINDUGAMERA X Brotherhood
• 00HINDUGAMERA X Syndicate

Remember to check if the name is already in use within Free Fire before settling on one. You can also add numbers or special characters to further personalize your guild name. For example: HinduGameraX_007, GameraX_Elite#1, etc.