Kindred
In the Still Here cinematic, it is implied that the Kindred kill this champion.
Yasuo
These 4 champions can clone themselves. (Name 3)
Fiddlesticks, Leblanc, Neeko, Shaco
This champion's theme mixes feelings of wonder with impending doom.
Aurelion Sol
I drew this champion in 30 seconds.
Aphelios
Laura Bailey, the voice for Blaze the Cat from 2010-2016, also played this champion in the Ruined King game.
Miss Fortune
"Rushing to meet us again, I see."
Lamb says the quoted voice line to this champion.
Gangplank
These 6 champions have no legs. (Name 4)
Cassiopeia, Karthus, Nami, Nocturne, Vel'Koz, Xerath
The lyrics for this champion's theme makes it feel as though it was written/sung by people in-universe as a form of worship
Volibear
I drew this champion in 25 seconds.
Senna
Roger Craig Smith, the current voice actor for Sonic T. Hedgehog, also voices this Arcane character
Claggar
In the legend of Kindred's origin, which Lamb recounts to Wolf in their champion teaser trailer: a lonely, pale man splits themselves in two right down the middle. They do so with this kind of weapon.
Axe
These 9 champions have more than two legs. (Name 5)
Elise, Hecarim, Lillia, Naafiri, Nidalee, Skarner, Smolder, Urgot, Yuumi
Lillia
I drew this champion in 20 seconds.
Bard
Keith Silverstein, the current voice actor for Vector the Crocodile, also voices this top-laner
Shen
In their voice lines, the Kindred don't show fear towards anyone, but they do seem to want to stay away from this champion.
Amumu
These 10 champions can transform into a different form of some kind. (Name 6)
Bel'veth, Elise, Gnar, Kayn, Neeko, Nidalee, Rell, Shyvana, Swain, Viego
This champion's theme uses a mix of orchestra, electronics, and intense chanting to portray their imposing form.
Skarner
I drew this champion in 15 seconds.
Vex
Quinton Flynn, the voice actor for Silver the Hedgehog from 2010-2017 also voices this ADC.
Jhin
In the 2019 book Realms of Runeterra, there is a short story titled "All Kindred's Eve," in which Lamb and Wolf infiltrate and experience a festival in their celebration. People from all over Runeterra are there to celebrate including Shurima and Ionia, dressed to match their regions' interpretation of them. But this is the region in which this festival is held.
Bilgewater
These 14 champions are able to infinitely stack. (Name 7)
Aurelion Sol, Bard, Bel'veth, Cho'Gath, Draven, Nasus, Kindred, Senna, Shyvana, Sion, Smolder, Swain, Thresh, Veigar
This champion's theme combines traditions from Indian music with classical Western music. This includes an alap at the beginning(an introductory section that's slow, improvised, and without rhythm), and tala(rhythmic cycles that repeat regularly, framing and guiding the melody in time).
Akshan
I drew this champion in 10 seconds.
Tahm Kench
Travis Willingham, the voice for Knuckles from 2010-2018, also voices this mid-laner.
Azir
(also Talon but he doesn't matter)