Okay. I was surfing Google when I came to this site.
[link]
It's all abaout how to annoy Grimmjow. (101 ways) I'm going to try them all, with help from my clone of him, Grimmy. I'll keep a checklist here.

[x]1. Squirt him with water when he doesn't listen

[ ]2. Invite random dogs into his room, the bigger the better

[x]3. Keep him on a leash (preferably a pink one)

[x]4. Tell him he's weaker than Ulquiorra and/or Ichigo

[x]5. Tell him he purrs in his sleep

[x]6. When he denies it, videotape him and show it to him when he wakes up

[ ]7. "Accidentally" take him to the vet

[x]8. Randomly put your hand through his hollow hole

[x]9. Sit on him

[x]10. When he's out on a mission, decorate his room with pink, flaming bunnies

[x]11. Flush the toilet when he's in the shower

[x]12. Scream when he looks at you

[ ]13. Bake cookies with dogfood in them

[x]14. Put creamcheese in his socks

[x]15. Shove him into a pool from behind

[x]16. Force him to play dress-up

[x]17. When you're done, tell him how "cutesy-wootsy" he looks

[x]18. Pull on his bangs

[x]19. Demand that he give you a piggy-back ride

[x]20. Slap his butt when he doesn't go fast enough

[x]21. Store your stuffed animals in his room

[ ]22. Volunteer him for "Laundry Day"

[x]23. Replace his toothpaste with hot sauce

[x]24. Put a toy mouse on the floor and start screaming his name, saying it's an emergency

[x]25. When he comes, force him to kill and eat the mouse

[x]26. Sneak up behind him with an airhorn

[x]27. When he screams, tell him he sounds like a little girl

[ ]28. At Christmas, fling mistletoe at him when he passes Ulquiorra

[x]29. Stare at him with your eyes bugged out

[x]30. Tie a bell around his neck

[x]31. Refer to him as "Socks", "Mittens", or some other cat name

[ ]32. Find a lost kitten and ask him to translate for you

[ ]33. When he says he can't, call him a failure to the species

[ ]34. Ask him to read you a bedtime story

[x]35. Steal his clothes and dye them pink

[ ]36. Put "Kick me" signs on his back

[x]37. Rip Aizen's jacket and blame it on him

[ ]38. Tell him he's a good kitty and pet him

[x]39. Poke him while he sleeps

[ ]40. Throw rocks at him

[ ]41. Tie paper bags around his hands and feet

[x]42. Ask him where babies come from

[ ]43. Sneeze on him or his food

[ ]44. Tickle him during a meeting

[x]45. Alert him whenever you have to go to the bathroom

*=Release mode

[x]*46. Braid his hair

[x]*47. Play with his ears

[x]*48. Pull his tail

[x]*49. Take him to the salon to get a Mani-Padi

[ ]*50. Feed him peanut butter

[x]51. Force him to brush the teeth on his mask

[x]52. Hug him and don't let go

[x]53. If he pushes you off, start crying

[x]54. When Aizen asks what wrong, tell him that Grimmjow was being mean to you

[ ]55. Get him a dog for his birthday

[x]56. Fill his bed with poison ivy

[x]57. Take him to the big cats exhibit of the zoo and look for his "mom"

[x]58. Offer him to the zoo

[x]59. Barracade his room and ask for the password when he wants to get in

[x]60. Ask him where Aizen comes from

[x]61. Force him to wear a Santa suit

[x]62. Randomly shoot him with a Nerf gun

[x]63. Fill his closet with catnip

[x]64. When he's walking to the bathroom, cut him off and get there first

[ ]65. Flick his ear when he's arguing with Ulquiorra

[ ]66. Put a litter box in his room

[x]67. Tie fluffy pink bows in his hair

[x]68. Keep dead animals that you find in his room

[ ]69. Give him a Wet-Willie

[ ]70. TP his room with balls of yarn

[ ]71. Ask him to go fishing with you

[ ]72. Push him over the side of the boat

[x]73. Refer to him as "Princess"

[x]74. Beat him with a stick

[ ]75. Cover the floor of his room with mousetraps

[x]76. Paint "Grimmjow wuz here" on the walls of Aizen's room in red

[ ]77. Repeat everything he says

[ ]78. Buy him a box of "Fresh Step" for Christmas

[ ]79. Bake cupcakes and drop them on him

[ ]80. Ask him to help you look for his whiskers

[x]81. Laugh and kiss his nose when he threatens you

[ ]82. Enter him at a dog show

[x]83. Randomly yell "Yo Mama" jokes at him

[ ]84. Ding-dong-ditch his room at night

[ ]85. Fling rubber bands at him

[ ]86. Ask him to rollover

[ ]87. Buy him flowers

[ ]88. Offer him some of your candy, then scream and tell Aizen he stole it from you

[ ]89. Ask him to babysit your teddy bear for you

[x]90. Trip him when he walks down the hall and make it look obvious

[x]91. When he yells at you, cry and run to Aizen

[ ]92. Put a Christmas tree in his room

[x]93. Let Wonderweiss jump on his bed...heck! Jump on it with him

[ ]94. Pretend to die in his room

[ ]95. Trick him into going sky-diving with you

[ ]96. Sing "Who Let the Dogs Out" over and over

[ ]97. Pummel him with snowballs

[x]98. Ask him who came first, the chicken or the egg

[x]99. When he gives up, tell him that he came first

[ ]100. Shoot him with a paintball, squirt, or B-B gun

[ ]101. Repeat numbers 1-101