Despite the fact that it has been on line since 2005 I, like many others I suspect, have only just heard of the Jesus & Mo cartoons. The reason I have now heard of it is the predictable offence that it has apparently caused, and the attempts to censor publications and other sites that wish to reproduce the cartoons. It should be restated. It is not illegal to express yourself in a manner that might cause offence. On the contrary, you have the hard legal right to do so. There is a petition for those who wish to support the exercising of this right.
The objections of those who insist on being offended has achieved another Streissand effect, and Jesus & Mo have attracted considerable publicity.
Here is a typical example.