\begin{tikzpicture}[>=stealth', auto, node distance=2cm, scale=1.2]


    \draw[gray, ->] (0,-2) -- (0,2) node[anchor=south]{Im $z$};
    \draw[gray, ->] (-5,0) -- (5,0) node[anchor=west]{Re $z$};

    \begin{scope}
        \draw[thick, ->, orange] (-1, 0) -- (0,0);
        \draw[thick, ->, darkgreen] (0, 0) -- (0,1.5);
        \draw[thick, ->, darkgreen] (0, 0) -- (0,-1.5);
        \draw[thick, ->, orange] (1, 0) -- (0,0);
        \draw[thick, ->, red] (2, 0) -- (1,0);
        \draw[thick, ->, blue] (2,1.5) -- (2, 0);
        \draw[thick, ->, blue] (2,-1.5) -- (2, 0);
        \draw[thick, ->, red] (2, 0) -- (3,0);

        \node[anchor=south west] at (0,1.5) {$\infty$};
        \node[anchor=south west] at (0,-1.5) {$\infty$};
        \node[anchor=south west] at (0,0) {$1$};
        \node[anchor=south] at (1,0) {$0$};
        \node[anchor=south west] at (2,0) {$-1$};
        \node[anchor=south west] at (2,1.5) {$-\infty$};
        \node[anchor=south west] at (2,-1.5) {$-\infty$};
        \node[anchor=south west] at (3,0) {$0$};
    \end{scope}

    \begin{scope}[xshift=4cm]
        \draw[thick, ->, orange] (-1, 0) -- (0,0);
        \draw[thick, ->, darkgreen] (0, 0) -- (0,1.5);
        \draw[thick, ->, darkgreen] (0, 0) -- (0,-1.5);
        % \draw[thick, ->, orange] (1, 0) -- (0,0);
        % \draw[thick, ->, red] (2, 0) -- (1,0);
        % \draw[thick, ->, blue] (2,1.5) -- (2, 0);
        % \draw[thick, ->, blue] (2,-1.5) -- (2, 0);
        % \draw[thick, ->, red] (2, 0) -- (3,0);

        \node[anchor=south west] at (0,1.5) {$\infty$};
        \node[anchor=south west] at (0,-1.5) {$\infty$};
        \node[anchor=south west] at (0,0) {$1$};
        % \node[anchor=south] at (1,0) {$0$};
        % \node[anchor=south west] at (2,0) {$-1$};
        % \node[anchor=south west] at (2,1.5) {$-\infty$};
        % \node[anchor=south west] at (2,-1.5) {$-\infty$};
        % \node[anchor=south west] at (3,0) {$0$};
    \end{scope}

    \begin{scope}[xshift=-4cm]
        % \draw[thick, ->, orange] (-1, 0) -- (0,0);
        \draw[thick, ->, darkgreen] (0, 0) -- (0,1.5);
        \draw[thick, ->, darkgreen] (0, 0) -- (0,-1.5);
        \draw[thick, ->, orange] (1, 0) -- (0,0);
        \draw[thick, ->, red] (2, 0) -- (1,0);
        \draw[thick, ->, blue] (2,1.5) -- (2, 0);
        \draw[thick, ->, blue] (2,-1.5) -- (2, 0);
        \draw[thick, ->, red] (2, 0) -- (3,0);

        \node[anchor=south west] at (0,1.5) {$\infty$};
        \node[anchor=south west] at (0,-1.5) {$\infty$};
        \node[anchor=south west] at (0,0) {$1$};
        \node[anchor=south] at (1,0) {$0$};
        \node[anchor=south west] at (2,0) {$-1$};
        \node[anchor=south west] at (2,1.5) {$-\infty$};
        \node[anchor=south west] at (2,-1.5) {$-\infty$};
        \node[anchor=south west] at (3,0) {$0$};
    \end{scope}

    \node[gray, anchor=north west] at (-4,0) {$-2\pi$};
    \node[gray, anchor=north west] at (-2,0) {$-\pi$};
    \node[gray, anchor=north west] at (0,0) {$0$};
    \node[gray, anchor=north west] at (2,0) {$\pi$};
    \node[gray, anchor=north west] at (4,0) {$2\pi$};


    \node[gray, anchor=south east] at (0,-1.5) {$-\infty$};
    \node[gray, anchor=south east] at (0, 0) {$0$};
    \node[gray, anchor=south east] at (0, 1.5) {$\infty$};



    \begin{scope}[yshift=-2.5cm]

        \draw[gray, ->] (-5,0) -- (5,0) node[anchor=west]{$w$};

        \draw[thick, ->, blue]      (-4, 0) -- (-2, 0);
        \draw[thick, ->, red]       (-2, 0) -- (0, 0);
        \draw[thick, ->, orange]    (0, 0) -- (2, 0);
        \draw[thick, ->, darkgreen] (2, 0) -- (4, 0);

        \node[anchor=south] at (-4,0) {$-\infty$};
        \node[anchor=south] at (-2,0) {$-1$};
        \node[anchor=south] at (0,0) {$0$};
        \node[anchor=south] at (2,0) {$1$};
        \node[anchor=south] at (4,0) {$\infty$};

    \end{scope}

\end{tikzpicture}