1. Awkward: Greg is often clumsy and socially inept, making him appear awkward in many situations.
2. Self-centered: Greg can be preoccupied with his own thoughts and desires, sometimes making him appear selfish.
3. Determined: Greg is determined to be popular and fit in, even if it means going to great lengths to achieve it.
4. Imaginative: Greg is a creative thinker who often comes up with outlandish schemes and ideas.