sneaky thief, wearing a mask, and poking fun as he peeks mischievously from behind the wall

line art cartoon thief mask mischief funny sneaky humorous peeking wall playful character design graphic outline mischievous artwork peek peep peeping vector intriguing clipart clip isolated simple simplicity crime criminal outlaw sneaking observe observation look suspicious fishy danger dangerous canny wary beware careful safety security secure safe wearing poking fun peeks mischievously