But Calaway, better known by his ring name "The Undertaker," has taken it easy as of late, spending more hours relaxing with his wife, Michelle McCool, and their 8-year-old daughter, Kaia.

The Undertaker, despite retiring years ago, continues to impact WWE, recently being crowned the first-ever WWE LFG Champion at 60. Mentoring aspiring wrestlers on WWE Legends & Future Greats, ...