Heroes who are more likely to accidentally foil their own plots than the ones of villains they're fighting against, due to stupidity, bumbling, poor planning, cowardly behavior, weak strength or willpower, arrogance, and/or unwillingness on their part.

For obvious reasons, these heroes are likely not successful, but in certain cases, they can still succeed in their goals, albeit they have the help of much more competent heroes, just with sheer luck, or by learning from their past failures to become better. However, even masterminds can be incompetent if their failures are made for laughs.

Pure Good heroes will NEVER qualify as they are capable of performing wondrous heroic acts and causing galvanization to others in a story which actually makes them competent and very beneficial.

Even if, in very rare cases, some Pure Good heroes are somewhat incompetent (e.g. Luigi, Po, Hubie, Leni Loud, Emmet Brickowski, The Tramp, Forrest Gump, Flik, Dewey Riley, Papyrus, Melman, Bruno Madrigal, Barley Lightfoot, and Soos Ramirez) they're still capable of doing serious heroic acts and thus, they must go under Cowards, Dimwits, Misguided, and/or Weaklings categories instead.