Similarities? Both former actors, both have strong stances against Russia, Both Presidents of their countries. The answer United States President Ronald Reagan and Ukraine President Volodymyr Zelenskyy
"This is why it is very important for us to not allow them, to stand our ground, because this battle ... it can influence the course of the whole war,” Zelenskyy said. “Because I don't trust the Russian military and Russian leadership. That is why we understand that the fact that we fought them off and they left, and they were running away from Kyiv — from the north, from Chernihiv and from that direction — it doesn't mean if they are able to capture Donbas, they won't come further towards Kyiv."
https://www.newsmax.com/newsfr....ont/zelenskyy-ukrain