One pixie practices sabotage to influence environmental politics, the other is a mischievous sprite from Celtic folklore?

I am only aware of the following: (1) the fairy/sprite much like Tinkerbell. (2) that paper straw filled with artificially flavored sugar.

1) "Pixie may refer to Pixie, small flying creature in folklore Pixie (comics) Pixie (X-Men), a fictional character from Marvel Comics' X-Men line of titles Pixie (eternal), a fictional character and member of the Marvel Comics fictional race, the Eternals Pixie (Morlock), another Marvel Comics character, unrelated to the others Pixie O'Harris, Australian artist, aunt of Rolf Harris Pixie (F.O.P.) in the popular American animated television series The Fairly OddParents, is the name for a large group of fairy-like entities who enjoy boring things Pixie (glamour model), a glamour model and porn star Pixie Geldof, youngest daughter of Bob Geldof and the late Paula Yates Pixie (Mac OS X), a magnifying glass program for Mac OS X Pixie (renderer), an Open Source photorealistic renderer Pixies (band), an alternative rock group Pixie, animal welfare campaigner & cheetah expert Pixieism is a rarely used term for Williams-Beuren syndrome Pixy Stix, a sugary candy Pixie Restaurant, opened in 1948, was the first drive-in restaurant in Mt. Pleasant. Still in service today, the restaurant features 50's/60's memorabilia, neon decor, and a juke box. The Pixie Kitchen, A restaurant and coastal attraction in Lincoln City, Oregon, from the 1930's through the 1980's, that was well-known to frequent visitors to the Oregon coast. Pixieland, a theme park, was built nearby in 1969, but went out of business after four years. Pixie (animation), a small image, usually part of a larger set, which alternates with other images in an animation to create the illusion of movement such as in an arcade game." Source and further information: http://en.wikipedia.org/wiki/Pixie_%28disambiguation%29 2) For instance: "Pixies (also Piskies and Pigsies as they are sometimes known in Cornwall) are mythical creatures of folklore, considered to be particularly concentrated in the areas around Devon and Cornwall, suggesting some Celtic origin for the belief and name. In regional dialect, these mischievous little folk are sometimes referred to as piskies/piskeys or the little people. They are usually depicted with pointed ears, and often wearing a green outfit and pointed hat. Sometimes their eyes are described as being pointed upwards at the temple ends." Source and further information: http://en.wikipedia.org/wiki/Pixie

me!

A Pixie is a person with a specific medical condition including a short stature and a shared characteristic facial appearance. The mythical creatures and their appearance are based upon the real condition. In researching the subject today I can find no reference to the one hour documentary that I saw in the seventies on Pixies. I had a friend who had all the physical characteristics of those in the documentary. I have also known a young girl with Williams Syndrome, which has been referenced with the term Pixie, but she did not at all look like a Pixie.

pixies are small and mystical much like a fairy However,faries tend to be more serious than pixies. And if you ever meet a pixie she can cast a love spell on you that renders you helpless. however they can be quiet the practical jokers .i myself know a pixie. She is a purple magical pixie.And she can force a smile on even the angriest canine.But never cross a purple magical pixie. Ive never met one who crossed a purple pixie. BUT ive heard of two that have. they no longer roam on the planet earth(as we know it)but if you ever meet a purple pixie(usually on the first quarter moon in march on the west side of a swamp with all the lillypads on the eastside of the swamp) offer her iced tea and tickle her feet and you will have a pixie of your own

even though a mere mortal may catch a pixie (pixie xxtra trap from canadaian tire 14.99) you must remember to clip the right wing first if not they will swing counter clockwise at unbelivebile speeds and changing life aas we know it and a counter clockwise pixie is very dangerous and hell hath no furry like a counterclock wise pixie. AND REMEMBER never say the word LOLLIPOP to a pixie and always remember pixies can die if dunked in burbon HAPPY PIXIE HUNTING

I personally don't understand the difference between a fairy and a pixie

well that is quite simple pixes are mystical creatures like fairies that have wings and looks just like dwarves but only with magical powers