The High Card is the superhero version of Lori Loud.
Lori has dark blue goggles with a light blue rim, and white earrings. She wears a white jumpsuit, and sky blue boots with white platforms. She also has a long, off-white scarf, blue fingerless driving gloves, and a pink necklace.
The High Card suit resembles the suit of the DC heroine, Ice.
Her name is based off the exposed card of highest value.
The Eleven of Hearts
The Eleven of Hearts is the superhero version of Leni Loud.
Leni wears a seafoam green headband, with red heart sunglasses on top. She has hot pink earrings, which matches the color of the bow on her back, with long ribbons, that have red hearts on them. She also has a red and black heart shaped bow tie, and a white seafoam dress, with an 11 on the bottom, along with black seafoam boots.
The number 11 in her outfit is backwards because Leni is not very intelligent. Her superhero name is also likely a reference to Leni's low intelligence, given the fact that there are no elevens in a deck of cards, unless there's the game of Blackjack, when Ace is worth eleven.
The Night Club
The Night Club is the superhero version of Luna Loud.
Luna has white face paint with black clubs around her eyes. She wears black fingerless gloves, a purple leotard, black leggings, and long purple boots. She has a black x-shaped harness with a skeleton on the front, which holds up a jet pack. She also has a black studded collar.
Luna's makeup is based on the makeup of the band KISS.
Instead of using her X-shaped guitar, Luna uses a card-shaped guitar, with clubs on opposite corners.
Luan has her hair up in two pigtails, one held up with a pink scrunchy, and the other with a yellow scrunchy. She has a yellow butterfly shaped mask with pink and black diamonds around it, and wears a black and yellow dress that resembles a jester outfit, with her pink squirting flower on the front, and mismatched boots.
However, Luan's Joker outfit looks like the other DC villainess/anti-heroine named Harley Quinn.
She is the only character in the team to change her hairstyle in her superhero costume.
The Joker is a card that is normally not used in lots of card games but is used in some as a Wild Card.
The Strong Suit
The Strong Suit is the superhero version of Lynn Loud.
Lynn wears a red headband decorated with diamonds, spades, hearts, and clubs. She has red and white shoes, red knee pads, and red and white wristbands. She wears a red and white striped leotard with torn sleeves.
Strong Suit is based on DC supervillain Sportsmaster.
Her name is based off one of several categories into which the cards of a deck are divided.
The Eight of Spades
The Eight of Spades is the superhero version of Lucy Loud.
Lucy wears a dark blue hooded cape, with the front of the hood shaped like a spade. She wears a sleeveless black dress with an 8 on the bottom, and long black gloves. She has black and white striped tights with black shoes.
Eight of Spades outfit seems to be inspired by the DC comics superhero Raven from Teen Titans.
The eight in her name also represents Lucy's age.
The Royal Flush
The Royal Flush is the superhero version of Lana Loud.
Lana has a red mask and cape. She wears a light and dark blue jumpsuit with a yellow belt. She also has light blue wristbands, and dark red boots.
Royal Flush costume and weapon seem to be inspired by Marvel Comics superhero Thor.
The Royal Flush name is a reference to the DC Comics supervillain team named the Royal Flush Gang.
Lana doesn't wear her cap. Instead, She wears a headband.
Her name is based off the highest poker hand in the game.
The Queen of Diamonds
The Queen of Diamonds is the superhero version of Lola Loud.
Lola wears a tiara with 5 diamonds, as well as diamond earrings. She wears a light pink dress, and a hot pink cape. She has long pink gloves, pink boots, and wears a diamond belt.
Her outfit seems to be inspired by Star Sapphire.
Lola's regular tiara is replaced by a 5-diamond tiara.
The Card Counter
The Card Counter is the superhero version of Lisa Loud.
Lisa wears a green shirt, gloves, a red scarf, green shoes, and red shorts.
Card Counter's costume resembles DC villain Riddler, enemy of Batman.
Her name is based on the strategy used in Black Jack.