Added, thanks.
https://www.openstreetmap.org/node/10930243428

Artist name set as Cléon Angelo, see infobox here https://www.autonomia.org/article/chais-art-presse-notre-nouvelle-sculpture-a-uccle-invitation-6-avril-18h45
(They provide 3 names, then put only one single name as the main author, I hope this is correct.)