RandomAnimalNameGeneratorService.cs

public class RandomAnimalNameGeneratorService : MonoBehaviour
    {
        [FormerlySerializedAs("colorsTextAsset")] 
        public TextAsset firstNameTextAsset;

        [FormerlySerializedAs("adjectivesTextAsset")] 
        public TextAsset secondNameTextAsset;
        
        [FormerlySerializedAs("namesTextAsset")] 
        public TextAsset thirdNameTextAsset;

        private List<string> firstNameOptions = new List<string>();
        private List<string> secondNameOptions = new List<string>();
        private List<string> thirdNameOptions = new List<string>();

        private string Capitalize(string text)
        {
            return text[..1].ToUpper() + text[1..];
        }

        public string Generate()
        {
            if (thirdNameOptions.Count == 0)
            {
                thirdNameOptions = JsonConvert.DeserializeObject<List<string>>(thirdNameTextAsset.text);
            }
            
            if (secondNameOptions.Count == 0)
            {
                secondNameOptions = JsonConvert.DeserializeObject<List<string>>(secondNameTextAsset.text);
            }
            
            if (firstNameOptions.Count == 0)
            {
                firstNameOptions = JsonConvert.DeserializeObject<List<string>>(firstNameTextAsset.text);
            }
            
            return $"{Capitalize(firstNameOptions.Random())}{Capitalize(secondNameOptions.Random())}{Capitalize(thirdNameOptions.Random())}";
        }
    }