\documentclass{report}

\begin{document}

\title{I want to be a Wombat}
\author{Carl Capybara}
\maketitle

\end{document}

This will create a title page with no other content:

(opens new window)

Remarks

\title{<title>}, \author{<author>} and \date{<date} internally store the content.

\maketitle produces a standard title page with the previously defined values.