Round 8

Step 1:

Download the images below

Step 2:

Identify the sender of each of the messages in the folder by using 2 functions. The same 2 functions will be used in each message.

In each message (A, B, C, D, E) there is some encrypted text. You will need to figure out this and put your answers below.

You need to change an option linked to the cipher (function) if the message looks a little odd.

Spelling will not be penalised 

HINT: 

Use Magic if you can, it will speed up the process.