How does Shelley present evil through the monster in the novel Frankenstein as a whole?

Shelley presents a complex view of evil through the character of the monster. Shelley does this by providing the creature with a dual personality. In one essence, the monster is typified as being malicious as he described as a 'villain' and 'beast', words from the lexical field of evil which have evident connotations of destruction. However Shelley also presents a more vulnerable side to the create through his desire for a 'mate' as he wishes not to be 'alone' and to relieve his isolation. This showcases a more human-like side to the creature, a further development of the creature who is perceived as childlike upon his fascination for 'light' and 'warmth' earlier on in the novel. Through this characterisation of the creature, Shelley creates a sense of mystery surrounding the truth about the creature's state furthering the complications behind the notions of evil. Mystery is a common element of gothic literature, the influences of the gothic stem from Shelley's associates including Lord Byron whom she went on a trip with the Summer before writing Frankenstein, hence the fascination with the genre. The nuance behind evil and its connotations creates a layer of uncertainty and suspense in the novel as the reader's understanding of evil can be questioned through the dichotomous personality of the monster.