The term 'Malicious Types' can be summed up by the crossword solution 'SERPENTS'. SERPENTS are a type of reptile that have been used as symbols of evil and maliciousness throughout history. In many cultures, SERPENTS are seen as a representation of deceit, temptation, and danger. In Christianity, the serpent is associated with the devil and is seen as a symbol of evil. In other cultures, SERPENTS are seen as a symbol of wisdom and knowledge. Regardless of the cultural context, SERPENTS are often used to represent maliciousness and danger.