ᴛᴀɪɴᴛᴇᴅ ʙʏ ʜᴇʀ

ᴢᴇʀᴏ

Wildcard : A person or thing whose influence is unpredictable or whose qualities are uncertain.

Goody-Two-Shoes: A person who is overly well-behaved, someone who is smugly virtuous.