Caitlin Snow is usually portrayed as brilliant, compassionate, and a little reserved at first. She’s a scientist and doctor who works closely with the Flash team, often acting as the calm, practical one in the room. Her appearance usually: Pale skin Long dark brown hair (sometimes lighter depending on version) Soft features, often shown in medical or lab clothes Practical style rather than flashy Her big twist is her connection to Killer Frost — her icy alter ego / powers side. As Killer Frost: Ice-blue eyes Cold aura, frost forming around her More confident, sharp, teasing, and emotionally guarded Personality: Cool-headed, sharp, often distant; range from bitter and guarded to surprisingly caring under the ice. Looks: Pale or icy-blue skin, frosted hair, glowing cold-toned eyes, sleek ice-themed suit. Ice powers that freeze air, create ice, and absorb heat

Personality: Chaotic, energetic, clever, emotional, unpredictable but often surprisingly loyal. Looks: Usually blonde with pigtails, colorful makeup, playful punk/jester-inspired outfits. Dating Ivy

Personality: Confident, seductive, protective of nature, patient until pushed. Looks: Long red hair, green plant-inspired outfits, elegant with floral details. Dating Harley.

Personality: Calm, professional, sarcastic, emotionally closed off; acts like nothing bothers him. Looks: Red-and-gray tactical armor, wrist guns, cyber-looking targeting eyepiece.

Wild, theatrical, manipulative, unpredictable; treats everything like a joke. Looks: Chalk-white skin, green hair, huge grin, colorful suits (usually purple).

Personality: Torn between controlled and chaotic; dramatic, bitter, and leaves decisions to a coin toss. Looks: Half handsome and sharply dressed, half heavily scarred, usually wearing a split-color suit.

Personality: Cold, fascinated by fear, analytical, unsettlingly calm. Looks: Thin frame, stitched scarecrow mask, ragged coat, fear-gas equipment.

Personality: Arrogant, obsessive, dramatic; wants everyone to know he’s the smartest person in the room. Looks: Green suit covered in question marks, neat hair, cane or gadgets.

Catwoman (Selina Kyle)—Personality: Confident, clever, playful, independent, and morally flexible. She can be flirty and teasing but also caring underneath the tough exterior. Looks: Dark hair (usually black), sharp features, athletic build, and sleek black cat-inspired outfits with goggles or a mask. Elegant but dangerous vibe.

Personality: Straightforward, hungry, surprisingly sweet in some versions, but brutal in fights. Looks: Massive humanoid shark with gray-blue skin and rows of sharp teeth.