EgonVM's Ultimate NPC Making Guide 2.0

Restaurant Chef

These sims work in a restaurant to make food and drinks for customers.

🏙Location-Based Career
✅️ career_Adult_NPC_OwnableRestaurant_Chef
✅️ Homestyle Cooking 5+ (ideally 8)
✅️ Gourmet Cooking 1+ (ideally 8)
✅️ Mixology 1+ (ideally 8)
✅️ Young adult or older (ideally young adult)
❌️ Ghost
❌️ Any fame levels
❌️ Grim Reaper
❌️ Father Winter

While you can use this cheat:

careers.add_career career_Adult_NPC_OwnableRestaurant_Chef

This won't do as a specific location is needed for them to work in. How to make it work is detailed in the guide post.
However, due to this being an ownable business, you can hire employees there through gameplay.

Template:
There's no special template for this role.

Restaurant Server

These sims work in a restaurant to take orders and deliver food to customers.

🏙Location-Based Career
✅️ career_Adult_NPC_OwnableRestaurant_Waiter
✅️ Young adult or older (ideally young adult)
❌️ Evil
❌️ Childish
❌️ Ghost
❌️ Any fame levels
❌️ Grim Reaper
❌️ Father Winter

While you can use this cheat:

careers.add_career career_Adult_NPC_OwnableRestaurant_Waiter

This won't do as a specific location is needed for them to work in. How to make it work is detailed in the guide post.
However, due to this being an ownable business, you can hire employees there through gameplay.

Template:
There's no special template for this role.

Restaurant Host

These sims work in a restaurant to seat customers.

🏙Location-Based Career
✅️ career_Adult_NPC_OwnableRestaurant_Host
✅️ Young adult or older (ideally young adult)
❌️ Ghost
❌️ Any fame levels
❌️ Grim Reaper
❌️ Father Winter

While you can use this cheat:

careers.add_career career_Adult_NPC_OwnableRestaurant_Host

This won't do as a specific location is needed for them to work in. How to make it work is detailed in the guide post.
However, due to this being an ownable business, you can hire employees there through gameplay.

Template:
There's no special template for this role.

Restaurant Critic

Visits player owned restaurants from time to time. One critic's review is worth 10 customer reviews.

📝Simply Assign a Career/Trait
✅️ trait_isRestaurantCritic
✅️ career_Adult_NPC_RestaurantCritic
✅️ Young adult or older
❌️ Ghost

You need to use these cheats on these sims:

traits.equip_trait trait_isRestaurantCritic
careers.add_career career_Adult_NPC_RestaurantCritic

Remember, playing with the sim again will remove their role.

Template:
There are two templates for this role:

• Foodie: Sims generated for this role are young adult, adult, or elder sims.
  They have Writing skill on at least level 7 (usually 8), and 3 of these random skills: Homestyle cooking, Gourmet Cooking, and Mixology skills between 1 to 7 (usually 3) and writing skill between 3 to 7 (usually 4) (yup, it's listed twice for some reason).
  They have these traits: Foodie, trait_isRestaurantCritic.
• Glutton: Sims generated for this role are young adult, adult, or elder sims.
  They have Writing skill on at least level 7 (usually 8), and 3 of these random skills: Homestyle cooking, Gourmet Cooking, and Mixology skills between 1 to 7 (usually 3) and writing skill between 3 to 7 (usually 4) (yup, it's listed twice for some reason).
  They have these traits: Glutton, trait_isRestaurantCritic.