Instagram user gesichtermix has been photoshopping celebrity faces into brain-bending hybrids since 2002. Clearly they have this down to a science:

 

1. George Clooney & Tom Hanks

 

2. Scarlet Johansson & Natalie Portman

 

3. Tom Cruise & John Travolta

 

4. Angelina Jolie & Brad Pitt

 

5. Jeff Bridges & Bryan Cranston