Cocaine and cannabis possession, robbery and assault were among the crimes reported on the parliamentary estate, Sky News revealed.
Paul Crowther doused the Brexit Party leader in a banana and salted caramel Five Guys drink.
He was arrested on suspicion of racially aggravated common assault, police said.
He was arrested after an incident outside a Jersey nightclub.
He will appear in court on Thursday.
The incident occurred last September.
To all those people saying, "This isn't a free speech case, they were simply jailed for making death threats!", I say: "Not so fast..." Firstly, because they were not found guilty of committing the old offence of "threatening to kill or murder any Person"; and secondly, because the act that they were found guilty under does, very clearly, have implications for free speech
Former England footballer Paul Gascoigne has admitted two counts of common assault in court following an incident at a railway