There is no credible evidence that Kim Jong Un has called for the arrest of Benjamin Netanyahu.
Kim Jong Un called for Netanyahu's arrest

International Criminal Court arrest warrants for Israeli leaders - Wikipedia
Source: en.wikipedia.org
Key Evidence
The ICC issued arrest warrants for Netanyahu on war crimes charges.
en.wikipedia.orgen.wikipedia.orgInternational Criminal Court arrest warrants for Israeli leaders
news.un.orgnews.un.orgICC issues arrest warrants for Netanyahu, Gallant and Hamas commander+1 more
Radio Free Asia found no credible evidence of any statement by Kim Jong Un calling for Netanyahu's arrest.
rfa.orgrfa.orgDid Kim Jong Un make a statement threatening Israel?
Netanyahu was nicknamed 'Kim Jong Un' in an Israeli media context, unrelated to any statement by the North Korean leader.
timesofisrael.comtimesofisrael.comYeshua: Netanyahu's nickname at Walla was 'Kim Jong Un'
What the Evidence Shows
The claim that North Korean leader Kim Jong Un called for the arrest of Israeli Prime Minister Benjamin Netanyahu is not supported by any credible sources or official statements. Multiple authoritative sources confirm that arrest warrants for Netanyahu have been issued by the International Criminal Court (ICC) due to alleged war crimes and crimes against humanity.en.wikipedia.orgen.wikipedia.orgInternational Criminal Court arrest warrants for Israeli leaders
news.un.orgnews.un.orgICC issues arrest warrants for Netanyahu, Gallant and Hamas commander+1 more However, these legal actions are from international judicial bodies and human rights lawyers, not from Kim Jong Un or the North Korean government.
One source explicitly addresses a related misinformation claim: Radio Free Asia investigated and found no official statements or credible reports that Kim Jong Un made any threatening statements or calls for Netanyahu's arrest.rfa.orgrfa.orgDid Kim Jong Un make a statement threatening Israel? Additionally, a Times of Israel article notes that within an Israeli media office, Netanyahu was nicknamed 'Kim Jong Un' as a nickname, which is unrelated to any actual statement by Kim Jong Un himself.
timesofisrael.comtimesofisrael.comYeshua: Netanyahu's nickname at Walla was 'Kim Jong Un'
Other sources discuss legal efforts and political reactions around Netanyahu's ICC warrants but do not mention any involvement or statements from Kim Jong Un.reuters.comreuters.comHuman rights lawyers call for Netanyahu's arrest on Argentine soil
amnesty.orgamnesty.orgHungary: Arrest and surrender Israeli Prime Minister Netanyahu to the ICC The Reddit discussion about Kim Jong Un's potential arrest is speculative and unrelated to any verified call for Netanyahu's arrest.+2 more
In summary, while there are international legal actions against Netanyahu, there is no evidence that Kim Jong Un has called for his arrest. The claim appears to be misinformation or confusion stemming from unrelated nicknames or social media rumors.