Character derailment

'''NOTE: Please do not say this is Flanderization. Not all types of Flanderization involve character derailment, just like how not all types of character derailment is Flanderization. It can be in the entire series''' Character Derailment is the opposite of character development. Instead of learning from mistakes, they just get worse.

Notable Characters Who Suffered Character Derailment

 * Fonzie (Happy Days; Season 4-11; He is the trope namer for, which he literally did in the episode Hollywood Part 3. This is character derailment because in Season 2 he got hurt)
 * Kai (Seasons 8-12)
 * Lloyd Montgomery Garmadon (LEGO Ninjago: Masters of Spinjitzu; Seasons 7-present)
 * Henry Hart/Kid Danger
 * Ray Manchester/Captain Man (Henry Danger)
 * Charlotte (Henry Danger)
 * Jasper (Henry Danger)
 * Piper Hart (Henry Danger)
 * Danger Mouse (2015)