The last slide of that deck, which was filed to the SEC, has a big "Thank You" above a picture of several cartoon characters, including one that looks like Albert Einstein, in a forest:
If you don't follow Salesforce closely, you might be puzzled.
The company offers an explanation for most of these characters in a 2017 blog post. They're called the Trailhead Crew, and they're meant to represent "the fun side of our company and inspire our Ohana to blaze new trails." (Ohana is a Hawaiian word meaning "family" and, in Salesforce parlance, refers to employees, customers or other stakeholders. Co-founder and co-CEO Marc Benioff is a big fan of Hawaiian culture and the islands.)
The characters are, from left to right:
They're all on a trail in the woods as a reference to Trailhead, the company's platform for training users so they can get more out of the company's services.
Not included in the picture is SaaSy, the company's dancing cloud mascot, representing the company's emphasis on cloud services instead of software that runs locally in company data centers.
No word yet from Salesforce if Tableau will get its own mascot through the deal.