For Famine,
You could make him/her a fussy clean person. Very fastidious and clean, prances around in a suit and looks like someone who exercises regularly. Define those cliches! :D
However, they aren't the nicest person. Because they can consume
anything, they often go for.. exotic foods. Rare animals, prized possession, human emotions... They will chop up and eat anything, making them easily creepy.
“She'd become a governess. It was one of the few jobs a known lady could do. And she'd taken to it well. She'd sworn that if she did indeed ever find herself dancing on rooftops with chimney sweeps she'd beat herself to death with her own umbrella.”
― Hogfather