perverseverance 

-noun

steady persistence in a perverse, perverted, or "pervy" course of action, esp. in spite of difficulties, obstacles, or discouragement.

Paul McCarthy's dogged, decades-long perverseverance has earned him a place among the 21st century's most important artists.

perverseverance by Tiahlm April 2, 2008

perverseaverance 

The act of persevering to accomplish a perverse goal.

Charlie and Eddie's perverseaverance to distance their Dad from themselves is immense. Interestingly, Charlie also distances himself from Eddie.

perverseaverance by but for December 19, 2018