Leo has short blonde hair with a full fringe and blue eyes. Leo's appearance strongly resembles that of their mother, Emma Kliesen. Leo's outfits are mostly masculine in style to retain a gender-neutral appearance.
Tekken 6/Bloodline Rebellion
Leo's primary outfit.
Leo debuts in the sixth game and wears two default outfits.
Player 1 outfit:
Leo's secondary outfit.
Leo wears a black buckled shirt with a red, white and black jacket, matching red and black fingerless gloves, blue jeans with a brown belt around the waist, brown boots and a red bandanna along with an anchor-like pendant around the neck. This is the primary outfit that Leo wears throughout the series while working as a male spelunker and speleologist.
Player 2 outfit:
Leo is now seen wearing a white formal suit with a red handkerchief in the left-hand breast pocket of the jacket, black and white gloves and matching white leather shoes. This outfit is Leo's G Corporation executive attire.
Tekken Tag Tournament 2
Leo's selectable swimsuits.
Player 1 outfit:
(See Tekken 6 Player 1 outfit)
- Leo is the only character to receive two Swimsuit DLC outfits. Leo's first swimsuit is shared with Asuka and consists of a red bikini top and board shorts, similar in style to a male surfer suit. Leo's second swimsuit is the same as the first only the bikini top is replaced with a blue long sleeved aquatic shirt with a gray trim. Both outfits are available in a choice of colors.
Tekken 7/Fated Retribution
Player 1 outfit:
(See Tekken 6 Player 1 outfit)
In Tekken 7: Fated Retribution, during Akuma's reveal trailer, Leo is seen wearing a new main outfit, which is an update of the previous primary outfit.
Leo is now seen wearing a short white buckled jacket with red decorations, a gray feathered black and brown undershirt, gray jeans adorned with a single red line along with red and black cross belts and black boots. Leo also wears black fingerless gloves with white outlines, a small, single-spike ball attached to the right-hand wrist by a long black chain and a gun holster on the thigh of the right leg.
- Leo's customizations are from the male customizations, and Leo can also be customized to have facial hair like the other male characters.
- Leo's swimsuit DLC is a contrast to the ones in Tekken Tag Tournament 2, as Leo now wears a classic vintage jumpsuit.
Tekken (Mobile)
Player 1 outfit:
(See Tekken 6 Player 1 outfit) (2-Star)
Unlockables:
- (See Tekken 6 Player 1 outfit) - the sleeves on Leo's jacket are white and blue, the gloves are also blue to match the jacket and the boots are off-white. (1-Star)
- (See Tekken 7: Fated Retribution Player 1 outfit) (3-Star)
- Pirate Costume - (Paul's Alternate Costume in Street Fighter X Tekken) but is blue, orange and brown. (4-Star)
