7-panel-comic by War and Peas:

Panel 1:
A vampire scolds a black cat (Lord Nibbles) in a shopping cart, saying, "You guys only eat junk food."

Panel 2:
The vampire asks the cat, "How 'bout something healthy for a change?" and looks at broccoli

Panel 3:
The cat, now looking furious and hissing, shouts, "ACK ACK! Not Vegetables!"

Panel 4:
The vampire suggests, "Jeez. What about some fruit at least!"

Panel 5:
The cat, holding a clove of garlic in front of the vampire, shouts, "ARGH! Stay Away!"

Panel 6:
The vampire spits blood and says. The cat yells, "Be GONE, evil demon!"

Panel 7:
The vampire and the cat return home. A witch sits on the couch playing video games and says, "Told you. Just get Lucky Charms and he'll behave."