More than 5,000 inked tribesman will descend upon the Wyndham Hotel at Franklin Plaza for the annual Philadelphia Tattoo Arts Convention, featuring live bands, artist seminars and sword swallowers. Here's a handy spotter's guide should you decide to attend.

Can be found near the working artists, pointing out the flaws in their mechanics and design. Easily identified by the half-empty pack of Marlboros in the breast pocket. Signature Piece: Skull and dagger.

Stands out for his timid demeanor and darting eyes. Can be overheard asking, "Will this spot hurt?" May smell strongly of pomade. Signature Piece: Chinese symbol.

Venerable woman covered in ink. Dressed in a black halter top or airbrushed T-shirt. Looks more badass than Charles Bronson in Deathwish III. Signature Piece: Butterfly or faded flower.

Bubbly and pert. Can be found clinging to the flame-inked forearms of her rockabilly boyfriend. Wears Bettie Page bangs. Signature Piece: Sparrows hovering above her breasts.

May be found bouncing around in a belly shirt, showing off her barely legal ink. Last seen naked in Girls Gone Wild 14. Signature Piece: Playboy bunny on the hip or lower back.

Wears patchwork corduroy and hemp necklaces. Smells of herbs and rock salt. May be overheard saying to tattooists, "Your work is pretty chill, man." Signature Piece: Stoned Grateful Dead bear.

The Philadelphia Tattoo Arts Convention, Fri., Feb. 3, 2 p.m.-mid.; Sat., Feb. 4, noon-mid.; Sun., Feb. 5, noon-8 p.m., $15-$35, Wyndham Hotel at Franklin Plaza, 17th and Race sts., 800-541-8239, www.tattooedkingpin.com.