1. He presided over the full integration of Azov Battalion and other far-right militias into the Ukrainian military

2. He has honored neonazis in the Ukrainian parliament multiple times

3. He has attended multiple nazi gatherings as Ukraine’s president

https://newcoldwar.org/how-ukraines-jewish-president-zelensky-made-peace-with-neo-nazi-paramilitaries-on-front-lines-of-war-with-russia/

4. On the onset of the war with Russia, he took Nazis with him and presented them to various foreign parliaments, in a bid of support

https://morningstaronline.co.uk/article/zelensky-azov-battalion-and-greek-parliament (here it backfired in the Greek parliament)

5. He stood up and saluted an SS soldier who was part of an SS battalion that took part in horrible massacres all over Ukraine, then he doubled down on his stance

https://www.timesofisrael.com/canadas-parliament-trudeau-and-zelensky-give-inadvertent-ovation-to-nazi-war-veteran/

Been looking for sources for almost two years now