The lone repository of truth — the last stalwart in a crazy world of illogic and delusion.
The self-sacrificing workaholic who works hard, not in order to earn money, but because he doesn't want to give anything less than 100%.
Mr. or Ms. Literal, who says exactly what (s)he means, and trusts that you will too.
The book worm who spends every moment of every day reading.
The smart aleck who never lets authorities tell him what to think and always finds a way to get the last word.
The specialist who devotes every waking moment to excelling in an extremely narrow but highly competitive technical field.
The poet who becomes enamored of expressing his idiosyncratic vision of life, taking no interest in the quotidian affairs of man.
The survivor who, by maintaining good relations with all factions simultaneously, always survives political or corporate upheavals.
The good-natured tag-along who likes to be attached to groups and provides constant comic relief.