distorter
dis·tort
D0294600 (dĭ-stôrt′)These verbs mean to alter form or character, usually disadvantageously. To distort is to change the physical shape of something, as by torsion or exaggerating certain features, or to misconstrue the meaning of something: "The human understanding is like a false mirror, which, receiving rays irregularly, distorts and discolors the nature of things" (Francis Bacon).
Twist applies to distortion of form or meaning: He twisted his mouth in pain. She accused me of twisting her words. Deform refers to change that disfigures and often implies the loss of desirable qualities such as beauty: Erosion deforms the landscape. Contort implies violent change that produces unnatural or grotesque effects: "The body of the bird ... contorted suddenly. Its back arching; its head and tail straining to feel the touch of the other; its taloned feet grappling for a hold on a world that was gone" (Pete Dunne).
Warp can refer to turning from a flat or straight form or from a true course or direction: The floorboards warped over the years. His judgment is warped by prejudice.