* Large and muscular: Lennie is described as being "a huge man, shapeless of face, with large, pale eyes, and wide, sloping shoulders." His physical strength is often compared to that of an animal, and he is sometimes referred to as a "bear" or a "gorilla."
* Childlike: Lennie also has a childlike quality to him. He is innocent and trusting, and he often does not understand the consequences of his actions. This childlike quality makes him seem more like an animal than a human being.
* Animalistic features: Lennie also has some animalistic features, such as his large teeth and his long arms. These features further contribute to his animal-like appearance.
Behavior
* Instinctive: Lennie's behavior is often instinctive rather than rational. He does not always think before he acts, and he is often driven by his emotions. This instinctive behavior makes him seem more like an animal than a human being.
* Violent: Lennie is also capable of violence. He has a quick temper, and he is easily angered. When he is angry, he is likely to lash out violently. This violence is another example of his animal-like qualities.
* Childlike: Lennie is also childlike in his behavior. He is curious about the world around him, and he is always eager to learn new things. He is also very affectionate, and he loves to be around people. This childlike behavior makes him seem more like an animal than a human being.
Speech
* Simple: Lennie's speech is simple and unsophisticated. He uses short sentences and simple words. He also has difficulty expressing himself clearly. This simple speech makes him seem more like an animal than a human being.
* Repetitive: Lennie's speech is also repetitive. He often repeats the same words or phrases over and over again. This repetitive speech makes him seem more like an animal than a human being.
* Childlike: Lennie's speech is also childlike. He uses simple words and phrases, and he often speaks in a sing-song voice. This childlike speech makes him seem more like an animal than a human being.
Conclusion
Lennie's animal-like qualities are conveyed through his physical appearance, his behavior, and his speech. He is a large, muscular man with childlike features and animalistic features. He is also instinctive, violent, and childlike in his behavior. His speech is simple, repetitive, and childlike. All of these qualities contribute to his animal-like appearance and demeanor.