In the Garfield universe, some facts are indisputable: Garfield loves lasagna, hates Mondays, Odie is big-hearted but clueless and Jon Arbuckle is in love with veterinarian, Dr. Liz Wilson.What has been questioned? Jon drinking semen. A 1990 comic strip depicts a trip to the veterinarian's office, where Jon clumsily attempts to flirt with Liz. He sees a coffee cup sitting on the examination table and takes the liberty to drink its contents, only to discover it wasn't filled with coffee. "Congratulations, Mr. Arbuckle," Liz exclaims. "You are going to give birth to a fine, healthy litter of puppies.