Kendall Donald Knight is the appointed leader and juu schemer of the gang. According to Kelly, Kendall is tall, blond, and eyebrows. In Big Time Interview, it is revealed that he is from Shakopee, Minnesota. Kendall is technically the founder of Big Time Rush when he accepts to songesha to L.A. and record demos only if Gustavo brings James, Carlos, and Logan along to make them all a band. He is portrayed as the glue that keeps the band together. He manages to stay cool under pressure (described as "Cool Rush") and figure out solutions to problems, thus often resulting in the other guys running to Kendall when they have a problem, being the most mature and responsible member of Big Time Rush. Kendall keeps a great relationship with his mother and his younger sister, Katie, who helps him and his Marafiki whenever they get into trouble. He is quite affectionate towards Katie, as she is always there to help him and vice versa.

Kendall is portrayed kwa Kendall Schmidt.