CeiKay

Tooltip CK
Example of use :
{tooltip}Text to hover{end-texte}a friendly little boy{end-tooltip}
Get more informations and see the demo on https://www.ceikay.com/plugins/tooltip-ck
<h3>Features</h3>
<ul>
<li>Styling from the plugin settings interface with color pickers and other fields</li>
<li>Open with animation</li>
<li>Options for the tooltip position (top, bottom, left, right)</li>
<li>Options for the tooltip animation duration, delay before hide</li>
<li>Options to style the shutter text (text to mouseover)</li>
<li>Mobile/Touch Device compatibility</li>
<li>Screen overflow detection</li>
<li>Editor button for a fast tooltip creation</li>
<li>Custom settings for each tooltip : content, width, duration, delay</li>
<li>Compatible multilanguage with the POT file</li>
<li>French translation included</li>
</ul>

Tooltip CK

Tooltip CK allows you to put some nice tooltip effects into your content.

Md Rukon Shekh

Tooltipster is a jquery tooltip plugin. you can use it very easy . you can add custom image , text , title. 
it has 10+ features . 
example animation, position, title, text, image, speed, delay,icon ,theme, trigger etc.
How to Use
to Use Cteate a shortcode in your post like that
<h4>simple Activation</h4>
<pre>
[tooltip text="Your Tooltip text here"]
 Tooltip
[/tooltip]
</pre>
Add content with title, position
<pre>
[tooltip title="Helo World" position="top" text="Welcome to WordPress. This is your first post. Edit or delete it, then start blogging! This is an tooltips This is an tooltips"]This is an tooltips[/tooltip]
</pre>
More Options
<pre>
[tooltip title="Helo World" trigger='click' position="top" image="http://s27.postimg.org/4by9zrilr/logo.jpg" theme="tooltipster-light" text="Welcome to WordPress. This is your first post. Edit or delete it, then start blogging! This is an tooltips This is an tooltips"]
 This is an tooltips
[/tooltip]
</pre>

Tooltipster

Tooltipster is a jquery tooltip plugin. you can use it very easy . you can add custom image , text , title.

Tooltip CK vs Tooltipster