Possible Clues:

• Apt surname for a vet
• New York deli namesake Willy
• Artist Alex, leader of modern realism
• Willy or Lenny of Manhattan deli fame
• TV cartoon therapist Dr. ___
• Name on an iconic New York deli
• '90s TV toon therapist
• Eponym of a famed N.Y.C. deli
• Toon shrink
• 'Dr.' of Comedy Central