A distant relative of Sly. Ingrid was born in France in late 90's, there is no detailed information on this. Her skills are concentrated on disguise and infiltration. Her weapon of choice is staff.
Even thought her thievery skills aren't the best in cooper clan she managed to get some things. Biggest known action that is credited to Ingrid was obtaining of Italy national treasure - Golden Pizza Spaghetti.
Meet the Ingrid Cooper, Master of Disguise.
Ingrid (c) me
Cooper universe (c) Sucker Punch