According to Yumiuri Online, Kids Station officially responded to South Korean Netizens' request to cancel the airing of "Axis Powers Hetalia
". They said "We didn't know there has been a protest in South Korea. However, no Korean character will show up in the anime."
Netizens in South Korea has been claiming that Hetalia manga is insulting Koreans and conducting a protest campaign to collect signatures.
Ref. The Korean character in Hetalia manga
Edited on Jan 15th==================
Korean Congresswoman States "Hetalia anime is a criminal act"
At a diplomacy council of South Korean Congress, a congresswoman Jeong Mi-Kyeong stated that Japanese animation Hetalia was considered to be a crime on a private level.