Yes, an original topic worthy of discussion!
Here is my list of the various types of lers.
The Strangler - captures the victim by means of a collar, lasso, or neckhold
The Killer - extremely effective skills with a devastating ability to destroy the victim
The Knuckler - rubs the ribcage with the knuckles in lieu of fingertips.
The Norman Mailer - writes full-length novels on the feet and torsos of the victim with a quill.
The Butler - favors the rectal regions.
The Belittler - usually female, scorns her male victims for not taking it like a man.
The Babbler - spews baby talk while tickling. "Oochy woochy coochy coo!"
The Beguiler - tricks victims into ticklish situations.
The Chronicler - tickles compulsively when stoned on marijuana.
The Comptroller - Haven't yet paid your back taxes? This individual will "take it out of your hide."
The Fickler - Can't decide between feet and underarms.
The Finagler - uses gift of gab in manipulating victims to voluntarily submit.
The Fondler - targets breasts and genitalia
The Gambler - places wages on how fast he/she can elicit a safeword.
The Grumbler - mutters and complains that the victim isn't ticklish enough.
The Handler - No feathers, brushes or icecubes.
The Jeweler - favors targeting the testicles
The Muffler - favors targeting the vagina
The Profiler - favors victims of a particular race
The Prowler - breaks into people's homes and attacks them in their beds.
The Retailer - Like the Butler, keeps returning to that low ground.
The Smuggler - Annoyingly confident that the victim will break.
The Stickler - insists on proper bondage, safewords, and other protocol.
The Straddler - favors climbing on top of the horizontally bound victim.
The Traveller - Attends gatherings worldwide
The Watercooler - Attacks office colleagues while on break