Christopher Herrmann

CHICAGO FIRE -- "Post-Mortem" Episode 13018 -- Pictured: (l-r) David Eigenberg as Christopher Herrmann, Michael Bradway As Jack Damon -- (Photo by: Peter Gordon/NBC)

This Chicago Fire star has us doubting that Herrmann will ever become 51 Chief

4 Chicago Fire characters who could be leaving the show in the episode "Post Mortem"

3 characters who could replace Dom Pascal as chief on Chicago Fire

I'm convinced Chicago Fire needs to give Pascal the boot by the end of season 13

CHICAGO FIRE -- "Bar Time" Episode 13014 -- Pictured: (l-r) Miranda Rae Mayo as Stella Kidd, Christian Stolte as Randy "Mouch" McHolland -- (Photo by: George Burns Jr/NBC)

This Chicago Fire floater could be the secret to Chief Pascal's character arc

CHICAGO MED -- "In The Trenches: Part II" Episode 1011 -- Pictured: David Eigenberg as Christopher Herrmann -- (Photo by: George Burns Jr/NBC)

Herrmann is ready to take over 51 from Pascal on Chicago Fire (here's why)

CHICAGO FIRE -- "Relief Cut" Episode 13012 -- Pictured: (l-r) Jocelyn Hudon as Lizzy Novak, Taylor Kinney as Kelly Severide, Richard Blackmon as Cole Williams -- (Photo by: Elizabeth Sisson/NBC)

Chicago Fire's new episode title hints at huge changes for Molly's Pub

CHICAGO FIRE -- "A Monster In the Field" Episode 13001 -- Pictured: (l-r) Christian Stolte as Randy "Mouch" McHolland, David Eigenberg as Christopher Herrmann, Taylor Kinney as Kelly Severide -- (Photo by: Peter Gordon/NBC)

This beloved Chicago Fire character now outranks Severide at 51

CHICAGO FIRE -- "All Kinds Of Crazy" Episode 13003 -- Pictured: David Eigenberg as Christopher Herrmann -- (Photo by: Peter Gordon/NBC)

Chicago Fire star weighs in on the possibility of Herrmann leaving Firehouse 51

CHICAGO FIRE -- "A Monster In the Field" Episode 13001 -- Pictured: David Eigenberg as Christopher Herrmann -- (Photo by: Peter Gordon/NBC)

We don't know what happened to Herrmann, but we know when he'll be back on Chicago Fire

CHICAGO FIRE -- "Ride the Blade" Episode 13002 -- Pictured: (l-r) Joe Miñoso as Joe Cruz, David Eigenberg as Christopher Herrmann, Taylor Kinney as Kelly Severide -- (Photo by: George Burns Jr/NBC)

Herrmann didn't take the captain's exam for the most realistic reason in Chicago Fire

CHICAGO FIRE -- "Seeing Is Believing" Episode 808 -- Pictured: David Eigenberg as Christopher Herrmann -- (Photo by: Adrian Burrows/NBC)

What is Christopher Herrmann's rank going into Chicago Fire season 13?

CHICAGO FIRE -- "Light Things Up" Episode 819 -- Pictured: David Eigenberg as Christopher Herrmann -- (Photo by: Adrian Burrows/NBC)

Chicago Fire star reveals why Herrmann can't be Firehouse 51 chief

CHICAGO FIRE -- "Inside Man" Episode 12011 -- Pictured: (l-r) Joe Minoso as Joe Cruz, Hanako Greensmith as Violet Mikami, David Eigenberg as Christopher Herrmann, Miranda Rae Mayo as Stella Kidd -- (Photo by: Adrian Burrows/NBC)

Which Chicago Fire character has been at Firehouse 51 the longest?

CHICAGO FIRE -- "Red Flag" Episode 12007 -- Pictured: Miranda Rae Mayo as Stella Kidd -- (Photo by: Adrian S Burrows Sr/NBC)

All the Chicago Fire station commanders you need to know in season 13

CHICAGO FIRE -- "A White Knuckle Panic" Episode 915 -- Pictured: (l-r) David Eigenberg as Christopher Herrmann, Amy Morton as Trudy Platt, Christian Stolte as Randall “Mouch” McHolland, Taylor Kinney as Kelly Severide -- (Photo by: Adrian S. Burrows Sr./NBC)

Chicago Fire announces new 51 chief (and it's NOT Herrmann)

CHICAGO FIRE -- "Lift Each Other" Episode 507 -- Pictured: David Eigenberg as Christopher Hermann -- (Photo by: Matt Dinerstein/NBC)

Did Christopher Herrmann accept the chief position on Chicago Fire?

CHICAGO FIRE -- "Don't Hang Up" Episode 913 -- Pictured: (l-r) Joe Minoso as Joe Cruz, David Eigenberg as Christopher Herrmann, Hanako Greensmith as Violet, Christian Stolte as Randall “Mouch” McHolland -- (Photo by: Adrian S. Burrows Sr./NBC)

All the 51 promotions that happened in the Chicago Fire season 12 finale

CHICAGO FIRE -- "Port in the Storm" Episode 12006 -- Pictured: (l-r) Rome Flynn as Gibson, Jesse Spencer as Matt Casey -- (Photo by: Adrian S Burrows Sr/NBC)

4 Chicago Fire characters who could be leaving the 51 next

CHICAGO FIRE -- "Down Is Better" Episode 606 -- Pictured: David Eigenberg as Christopher Herrmann -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire star talks Herrmann plans: "I guess I gotta pass the torch"

CHICAGO FIRE -- "A Chicago Welcome" Episode 813 -- Pictured: David Eigenberg as Christopher Herrmann -- (Photo by: Adrian Burrows/NBC)

Chicago Fire based Herrmann's hearing loss on star's real experience

CHICAGO FIRE -- "Call Me McHolland" Episode 12002 -- Pictured: David Eigenberg as Christopher Herrmann -- (Photo by: Adrian S Burrows Sr/NBC)

What's wrong with Herrmann on Chicago Fire? His symptoms explained

CHICAGO FIRE -- "Run Like Hell" Episode 1114 -- Pictured: David Eigenberg as Christopher Herrmann -- (Photo by: Adrian S Burrows Sr/NBC)

Chicago Fire season 12: Will David Eigenberg return as Herrmann?

CHICAGO MED -- "The Apple Doesn't Fall Far From the Teacher" Episode 804 -- Pictured: David Eigenberg as Christopher Herrmann -- (Photo by: George Burns Jr/NBC)

What’s next for Christopher Herrmann in Chicago Fire season 12?

CHICAGO FIRE -- "Damage Control" Episode 1115 -- Pictured: (l-r) Miranda Rae Mayo as Stella Kidd, Christian Stolte as Randy “Mouch” McHolland -- (Photo by: Adrian S Burrows Sr/NBC)

The 3 best (and 3 worst) Chicago Fire characters

CHICAGO FIRE -- "Red Waterfall" Episode 1122 -- Pictured: David Eigenberg as Christopher Herrmann -- (Photo by: Adrian S Burrows Sr/NBC)

Who is going to retire from Chicago Fire in season 12?

CHICAGO, IL - SEPTEMBER 10: David Eigenberg and Christian Stolte conduct a tour of the "Chicago Fire" set at the 2018 press day for "Chicago Fire", "Chicago PD", and "Chicago Med" on September 10, 2018 in Chicago, Illinois. (Photo by Timothy Hiatt/Getty Images)

Chicago Fire star talks Mouch’s death in season 12

CHICAGO FIRE -- "Headcount" Episode 1002 -- Pictured: David Eigenberg as Christopher Herrmann -- (Photo by: Adrian S. Burrows Sr./NBC)

How old is Christopher Herrmann on Chicago Fire?