This is possibly the best thing ever. You have just successfully made a beautiful crack-crossover of two of my favorite things. (among my hoard of other favorite things, but...you know. This still gives my heart much excitement.)
LOL It's supposed to, Rumbleroar is from the A Very Potter Musical, on youtube. You should check it out, HILARIOUS! Rumbleroar is a talking lion/headmaster of Pigfarts....on Mars! Malfoy wants to transfer hehe.