Former German Chancellor Angela Merkel may no longer be at the helm but she returned to headlines on Monday when her office said that the 68-year-old leader received a call in January from someone posing as Petro Poroshenko, Ukraine's ex-president.

Did Russian comedians posing as Ukraine leader call Angela Merkel? Here's what happened

Russian pranksters Vladimir Kuznetsov and Alexei Stoliarov, also known as 'Vovan and Lexus' tricked British writer JK Rowling by posing as Ukrainian President Volodymyr Zelensky.

Russian pranksters trick JK Rowling by posing as Ukrainian President Zelensky

A pair of notorious Russian pranksters fooled Poland's president Andrzej Duda by posing as U.N. secretary-general General Antonio Guterres. The duo called as Vovan and Lexus, is known for posing as foreign officials in prank calls with European politicians have hoodwinked Duda after they were able to reach his telephone.

Notorious Russian pranksters trick Polish President by claiming to be UN secretary general