What kind of group does Chuck Billy and Kendall Schmidt have in common?
Chuck Billy (vocalist): Charles "Chuck" Billy (born June 23, 1962) is an American vocalist, who is best known as the lead vocalist for the thrash metal band Testament. Kendall Schmidt:  He is best known for playing Kendall Knight in "Big Time Rush", participating in a boy band with the same name, and playing small roles on several TV shows such as "ER", "Without a Trace", "Phil of the Future", "Ghost Whisperer", "Gilmore Girls", and "Frasier".
band