The power to use tail in physical combat.
The user can use their tail in physical combat, whether with natural weaponry or affixed one.
Tail Terrier (DC Comics/Krypto the Superdog)
Miles "Tails" Prower (Sonic the Hedgehog)
Tangle the Lemur (IDW's Sonic The Hedgehog) can use her tail as a powerful weapon.
Frieza (Dragon Ball series) using a Tail Attack on Vegeta...
Chilled (Dragon Ball) can attack his opponents using his powerful tail.
Doc (The Land Before Time) is well skilled in using his tail.
Kurt Wagner/Nightcrawler (Marvel Comics)
Curtis Connors/Lizard (Marvel Comics)
MacDonald Gargan/Scorpion (Marvel Comics)
Melati Kusuma Komodo (Marvel Comics)