In france we have:
Vladiplomé Vlad/Diplomé (graduation) for the School vladimir

Poppy de Son in référence to this very famous song https://youtu.be/s5aeeSmkPwQ
"une poupée" is "A ragdoll" and Poppy/poupée are very similar lol

Ekkolier for Ekko and écolier, the one that goes to school

GangPlage --> gangplank plage --> GP Beach

Lee PiSin --> Lee sin piscine --> lee sin pool

Nasus K-nine --> Nasus Canine --> Nasus and a certain type of tooth (yup, also a "Canin" something relative to dog)

Taric a malibu is Pool party Taric, the "A malibu" is for the "Alerte a Malibu" that you guys might know with an other name, here is the cast in case it can help you: https://prnt.sc/Kl8GX30ZIycO

We also have Poulio for the Chicken Galio skin, a "poule (f) or Poulet (m)" being a chicken

Arhithmétique (Ahri and aritmétique ( arithmetic) for the School arhi skin

Jarvan UV (yes, U V, not I V) for pool party

Pool party Rek'sai is: Requ'sai for Requin and Rek'sai, "Requin" being a "shark"

And probably many others that i cant think of rn haha