Appendages (fangs/nails) – The person has fangs and/or claws that give them an advantage in a fight.
Lady Deathstrike (Marvel) is a super villainess with fingers have been replaced by five 12-inch (300 mm) long adamantium claws replacing each finger of each hand. She is capable of telescoping these claws to twice their usual length.
X-Men 2: Wolverine vs Lady Deathstrike
Iguana (Image) has razor sharp nails (Official Handbook of the Invincible Universe #1).
Demonia (DC) was a deadly fighter with her nails (DC Who’s Who #6).
A Boneclaw is an undead creation with fearsome claws (D&D 4th Edition – Monster Manual 1).
Chraal – D&D 3.5 – Monster Manual III
Ghast – Field Guide to Cthulhu Monsters
Gug – Field Guide to Creatures of the Dreamlands
Ithaqua – Field Guide to Cthulhu Monsters
Sagon – Creature Collection II. Dark Menagerie
Ripclaw (Wildstorm) has cybernetic enhancements in Cyberforce-Sourcebook #1.
Claws of Darkness is a trading card.