Dieudonné M'bala M'bala, who's been convicted multiple times under hate speech laws in Europe, insists he isn't anti-Semitic. He's notorious for jokes based on ethnic stereotypes and inflammatory stand-up bits about Jews.
Lutz Bachmann called refugees "cattle" and "filth" but denies being a racist. His Pegida party has gained rapidly in popularity since its founding in 2014, as the migrant crisis divides Europe.
A petition to ban the US presidential candidate from entering the UK because of his controversial comments about Muslims has gathered more than half a million signatures.