The Tank Topper Army are known for their penchant of battling in, well, Tank Tops - and are led by their leader Tank Top Master. In keeping with One Punch Man's theme of very literally named fighters, Metal Bat is an S-Class Hero who uses his metal bat to strike down his opponents. You can check out the new trailer for yourself below. One Punch Man: A Hero Nobody Knows still doesn't have a specific release date yet, but will launch on Xbox One, PlayStation 4 and PC at some point in 2020, with a closed beta coming next month. Bandai Namco has released a new trailer for upcoming beat-em-up One Punch Man: A Hero Nobody Knows, revealing that the Tank Topper Army will feature in the game based on the anime as well as the character Bad, or as he's better known: Metal Bat. One Punch Man: A Hero Nobody Knows Adds Tank Topper Army and Metal Bat.