126) Do not pay Colin Creevey to follow Harry Potter and take pictures of everything he does.

127) Do not sing "We're off to see the wizard" every time you are sent to a Professor's office.

128) Do not ask Professor Lupin if he ever had an affair with Sirius Black.

129) Do not spike the morning pumpkin juice with pumpkin beer and watch everyone get drunk.

130) Do not allow the weasley twins around paint.

131) Do not transfigure Draco Malfoy's robes into a dress and ask him "if he's trying to tell them something."

132) Do not use Polyjuice to turn Harry Potter into Severus Snape or vise versa.

133) Do not Professor Flitwick sparkly stilts for his birthday and charm them to follow him everywhere singing 'Oh it's so hard to be little'

134) Do not dye the post owl's feathers the house colors

135) Do not send Professor Snape a teddy bat for his birthday

136) Do not send all the Hufflepuffs marshmallows and if/when they the start eating them scream that 'They're eating their brothers'

137) Do not spell Professor Snape so that everything he touches showers skittles.

138) Do not cover Professor Flitwick's room in shrinking powder so that "everything is just the right size for him'

139) Do not call the Thestrals ponies or insist to ride them

140) Do not call Professor Dumbledore Grandpa or Professor Mcgonagall Grandma

141) Do not attempt to record Percy Weasley singing in the shower

142) Do not attempt to have an eating contest with Ronald Weasley

143) Do not replace the Quidditch teams brooms with mops

144) Do not make t-shirts with the slogan 'I'm a junior death eater' and force the Slytherins to wear them

145) Do not attempt to read the future in Hermione Granger's morning tea

146) Do not attach Draco Malfoy to Harry Potter with a permanent sticking charm

147) Do not ask Harry Potter for his autograph

148) Do not ask Professor Snape for his autograph

149) Do not host a house elf rebellion against Hermione Granger

150) Do not switch everyone's house robes and house tables so that Slytherins become Gryffindors, Gryffindors become Hufflepuffs, Hufflepuffs become Ravenclaws and Ravenclaws become Slytherins