There are more utensils that you need to consider.

The venerable spork was patented in 1847. The work "spork" has trademark status in the UK, where generic versions use the term "forkspoon".

Camping stores sell both plastic and titanium sporks for lightweight backpacking. Sporks is still widely used at KFC (formerly Kentucky Fried Chicken) restaurant, although I find it frustrating that it leaves inaccessible furrows of mashed potatoes.

The splade or Splayd(TM) might meet your criteria. It was a bladed spork, i.e. a spork with a blade on outside edge of the leftmost tine. I've only seen the right-handed versions. They were popular in formal cutlery in the 50s and 60s, especially in Australia.

The Runcible Spoon is famous, but I'm not sure what distinguishes it from the spork sporf and spife.

The Toffee Hammer was used to break up sheets of toffee. Today it is still in use for orthopedic surgery.